Create tech stack docs (techstack.yml and techstack.md)

[stack-file]

Adding tech stack documentation to allow anyone to easily see what is being used in this repo without digging through config files. Two files are being added: techstack.yml and techstack.md. techstack.yml contains data on all the technologies being used in this repo. techstack.md is a visualization of the YML file and displays the tech stack data in a pretty Markdown file.

💡 Protip: techstack.md contains a comment at the top of the file that the following README snippet (with and without the logos) at the top of the file as a comment:

<--- Readme.md Snippet without images Start --->

Tech Stack

stackshareio/twilio-video-app-react is built on the following main stack:

• Stripe – Payment Services
• Firebase – Realtime Backend / API
• Twilio – Voice and SMS
• Sentry – Exception Monitoring
• Jest – Javascript Testing Framework
• Mocha – Javascript Testing Framework
• Ruby – Languages
• Node.js – Frameworks (Full Stack)
• React – Javascript UI Libraries
• ExpressJS – Microframeworks (Backend)
• JavaScript – Languages
• TypeScript – Languages
• Material-UI – Front-End Frameworks
• CarrierWave – File Uploads
• React Router – JavaScript Framework Components
• Enzyme – Javascript Testing Framework
• Puppeteer – Headless Browsers
• Cypress – Javascript Testing Framework

Full tech stack here

<--- Readme.md Snippet without images End --->

Get the code:

## Tech Stack
stackshareio/twilio-video-app-react is built on the following main stack:

- [Stripe](https://stripe.com) – Payment Services
- [Firebase](https://firebase.google.com/) – Realtime Backend / API
- [Twilio](http://www.twilio.com) – Voice and SMS
- [Sentry](https://sentry.io/welcome/?utm_source=stackshare&utm_medium=link&utm_campaign=profile) – Exception Monitoring
- [Jest](http://facebook.github.io/jest/) – Javascript Testing Framework
- [Mocha](http://mochajs.org/) – Javascript Testing Framework
- [Ruby](https://www.ruby-lang.org) – Languages
- [Node.js](http://nodejs.org/) – Frameworks (Full Stack)
- [React](https://reactjs.org/) – Javascript UI Libraries
- [ExpressJS](http://expressjs.com/) – Microframeworks (Backend)
- [JavaScript](https://developer.mozilla.org/en-US/docs/Web/JavaScript) – Languages
- [TypeScript](http://www.typescriptlang.org) – Languages
- [Material-UI](https://github.com/mui/material-ui) – Front-End Frameworks
- [CarrierWave](https://github.com/carrierwaveuploader/carrierwave) – File Uploads
- [React Router](https://github.com/rackt/react-router) – JavaScript Framework Components
- [Enzyme](https://enzymejs.github.io/enzyme/) – Javascript Testing Framework
- [Puppeteer](https://github.com/GoogleChrome/puppeteer) – Headless Browsers
- [Cypress](https://www.cypress.io/) – Javascript Testing Framework

Full tech stack [here](/techstack.md)

---

<--- Readme.md Snippet with images Start --->

Tech Stack

stackshareio/twilio-video-app-react is built on the following main stack:

• Stripe – Payment Services
• Firebase – Realtime Backend / API
• Twilio – Voice and SMS
• Sentry – Exception Monitoring
• Jest – Javascript Testing Framework
• Mocha – Javascript Testing Framework
• Ruby – Languages
• Node.js – Frameworks (Full Stack)
• React – Javascript UI Libraries
• ExpressJS – Microframeworks (Backend)
• JavaScript – Languages
• TypeScript – Languages
• Material-UI – Front-End Frameworks
• CarrierWave – File Uploads
• React Router – JavaScript Framework Components
• Enzyme – Javascript Testing Framework
• Puppeteer – Headless Browsers
• Cypress – Javascript Testing Framework

Full tech stack here

<--- Readme.md Snippet with images End --->

Get the code:

## Tech Stack
stackshareio/twilio-video-app-react is built on the following main stack:

- <img width='25' height='25' src='https://img.stackshare.io/service/97/eW6tXeq3.png' alt='Stripe'/> [Stripe](https://stripe.com) – Payment Services
- <img width='25' height='25' src='https://img.stackshare.io/service/116/cZLxNFZS.jpg' alt='Firebase'/> [Firebase](https://firebase.google.com/) – Realtime Backend / API
- <img width='25' height='25' src='https://img.stackshare.io/service/130/VrwpNfjh_400x400.png' alt='Twilio'/> [Twilio](http://www.twilio.com) – Voice and SMS
- <img width='25' height='25' src='https://img.stackshare.io/service/191/default_9262326592c97828a2a4299dec085a3674dd05f4.png' alt='Sentry'/> [Sentry](https://sentry.io/welcome/?utm_source=stackshare&utm_medium=link&utm_campaign=profile) – Exception Monitoring
- <img width='25' height='25' src='https://img.stackshare.io/service/830/jest.png' alt='Jest'/> [Jest](http://facebook.github.io/jest/) – Javascript Testing Framework
- <img width='25' height='25' src='https://img.stackshare.io/service/832/mocha.png' alt='Mocha'/> [Mocha](http://mochajs.org/) – Javascript Testing Framework
- <img width='25' height='25' src='https://img.stackshare.io/service/989/ruby.png' alt='Ruby'/> [Ruby](https://www.ruby-lang.org) – Languages
- <img width='25' height='25' src='https://img.stackshare.io/service/1011/n1JRsFeB_400x400.png' alt='Node.js'/> [Node.js](http://nodejs.org/) – Frameworks (Full Stack)
- <img width='25' height='25' src='https://img.stackshare.io/service/1020/OYIaJ1KK.png' alt='React'/> [React](https://reactjs.org/) – Javascript UI Libraries
- <img width='25' height='25' src='https://img.stackshare.io/service/1163/hashtag.png' alt='ExpressJS'/> [ExpressJS](http://expressjs.com/) – Microframeworks (Backend)
- <img width='25' height='25' src='https://img.stackshare.io/service/1209/javascript.jpeg' alt='JavaScript'/> [JavaScript](https://developer.mozilla.org/en-US/docs/Web/JavaScript) – Languages
- <img width='25' height='25' src='https://img.stackshare.io/service/1612/bynNY5dJ.jpg' alt='TypeScript'/> [TypeScript](http://www.typescriptlang.org) – Languages
- <img width='25' height='25' src='https://img.stackshare.io/service/1904/default_44d81cb9fadbc3688b7e91a6d5217d0ea5358b57.png' alt='Material-UI'/> [Material-UI](https://github.com/mui/material-ui) – Front-End Frameworks
- <img width='25' height='25' src='https://img.stackshare.io/no-img-open-source.png' alt='CarrierWave'/> [CarrierWave](https://github.com/carrierwaveuploader/carrierwave) – File Uploads
- <img width='25' height='25' src='https://img.stackshare.io/service/3350/8261421.png' alt='React Router'/> [React Router](https://github.com/rackt/react-router) – JavaScript Framework Components
- <img width='25' height='25' src='https://img.stackshare.io/service/4488/default_87e6ca3fa146a959af95ccf3df1ec550eb434129.png' alt='Enzyme'/> [Enzyme](https://enzymejs.github.io/enzyme/) – Javascript Testing Framework
- <img width='25' height='25' src='https://img.stackshare.io/service/7553/puppeteer.png' alt='Puppeteer'/> [Puppeteer](https://github.com/GoogleChrome/puppeteer) – Headless Browsers
- <img width='25' height='25' src='https://img.stackshare.io/service/9231/default_66c5c1a197dcd0232e41e4ab6299d119b4e165b3.png' alt='Cypress'/> [Cypress](https://www.cypress.io/) – Javascript Testing Framework

Full tech stack [here](/techstack.md)