Improved issue templates with security policy (#217)

* Update bug-report.yml
* Update support-question.yml
* Create feature-request.yml
* Create security.md

Author: prince-chrismc

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -0,0 +1,82 @@
+name: Bug Report 🐛
+description: File a bug report
+
+labels: ["bug"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to fill out this bug report!
+    validations:
+      required: false
+  - type: textarea
+    id: what-happened
+    attributes:
+      label: What happened?
+      description: Also tell us, what did you expect to happen? Feel free to include some screenshots
+      placeholder: Tell us what you see!
+      value: "A bug happened!"
+    validations:
+      required: true
+  - type: textarea
+    id: reproduce
+    attributes:
+      label: How To Reproduce?
+      description: Please provide a small snippet to reproduce the issue
+      placeholder: Some C++ code or Shell code to recreate th problem
+      value: |
+        ```c++
+        #include "jwt-cpp/jwt.h"
+        int main() {
+           return 0;
+        }
+        ```
+  - type: dropdown
+    id: version
+    attributes:
+      label: Version
+      description: What version of our software are you running?
+      options:
+        - 0.6.0
+        - 0.5.2
+        - Older (please let us know if the "What happened" box)
+    validations:
+      required: true
+  - type: dropdown
+    id: operating-system
+    attributes:
+      label: What OS are you seeing the problem on?
+      multiple: true
+      options:
+        - Windows
+        - Linux
+        - MacOS
+        - Other (please let us know if the "What happened" box)
+    validations:
+      required: true
+  - type: dropdown
+    id: compiler
+    attributes:
+      label: What compiler are you seeing the problem on?
+      multiple: true
+      options:
+        - GCC
+        - Clang
+        - MSVC
+        - Other (please let us know if the "What happened" box)       
+    validations:
+      required: true 
+  - type: textarea
+    id: logs
+    attributes:
+      label: Relevant log output
+      description: Please copy and paste any relevant log output. This will be automatically formatted into code, so no need for backticks.
+      render: shell
+  - type: checkboxes
+    id: terms
+    attributes:
+      label: Code of Conduct
+      description: By submitting this issue, you agree to follow our [Code of Conduct](https://example.com)
+      options:
+        - label: I agree to follow this project's Code of Conduct
+          required: true

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,20 @@
+name: Feature Request 🧪
+description: Have a great idea? Find something is missing?
+labels: ["enhancement"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        We'd love to hear your idea(s)!
+  - type: input
+    id: question
+    attributes:
+      label: "What would you like to see added?"
+    validations:
+      required: true
+  - type: textarea
+    id: context
+    attributes:
+      label: Additional Context
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/feature-request.yml

@@ -0,0 +1,20 @@
+name: Support Question 🤹
+description: Have some questions? We can offer help.
+labels: ["question"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Don't hesitate to ask any question you might have!
+  - type: input
+    id: question
+    attributes:
+      label: "What's your question?"
+    validations:
+      required: true
+  - type: textarea
+    id: context
+    attributes:
+      label: Additional Context
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/support-question.md

@@ -0,0 +1,21 @@
+# Reporting Security Issues
+
+If you believe you have found a security vulnerability in JWT-CPP, we encourage you to let us know right away.
+We will investigate all legitimate reports and do our best to quickly fix the problem.
+
+Please refer to the section below for our responsible disclosure policy:
+
+## Disclosure Policy
+
+Please contact one or more of the maintainers using the email advertised on our GitHub profiles:
+
+- [@Thalhammer](https://github.com/Thalhammer)
+- [@prince-chrismc](https://github.com/prince-chrismc)
+
+Please provide as many details as possible about version, platform, and workflow as possible.
+Having steps and reproducible code is better and is always greatly appreciated.
+
+## Supported Version
+
+Typically, fixes will be immediately released as a new patch release. However, older affected versions may receive
+a new patch upon request.