chore: update master to main (#15)

* fix: update master to main

* Update README.md

Author: erezrokah

CONTRIBUTING.md

@@ -39,6 +39,6 @@ After submitting the pull request, please make sure the Continuous Integration c
 ## Releasing
 
 1. Merge the release PR
-2. Switch to the default branch `git checkout master`
+2. Switch to the default branch `git checkout main`
 3. Pull latest changes `git pull`
 4. Publish the package `npm publish`

README.md

@@ -1,7 +1,7 @@
 # @netlify/functions
 
 [![Build](https://github.com/netlify/functions-js/workflows/Build/badge.svg)](https://github.com/netlify/functions-js/actions)
-[![Coverage Status](https://codecov.io/gh/netlify/functions-js/branch/master/graph/badge.svg)](https://codecov.io/gh/netlify/functions-js)
+[![Coverage Status](https://codecov.io/gh/netlify/functions-js/branch/main/graph/badge.svg)](https://codecov.io/gh/netlify/functions-js)
 [![Node](https://img.shields.io/node/v/@netlify/functions.svg?logo=node.js)](https://www.npmjs.com/package/@netlify/functions)
 
 JavaScript utilities for Netlify Functions.