Add support for PR and Issue templates to QMK_firmware GitHub (#4494)

* Add support document

* Add Bug Report

* Add GitHub Pull Request Template

* Feature request issue template

* Touch up feature request template

* Add 'other issues' template

* move support doc

* Minor tweaks

* More minor tweaks

* Spleeling fix

Co-Authored-By: drashna <drashna@live.com>

* CapiTALization fIXes

Co-Authored-By: drashna <drashna@live.com>

* Use new issue URL

Co-Authored-By: drashna <drashna@live.com>

* Add blanck issue template

* Update the PR template

* Formatting and additional changes

* Update docs/support.md

Co-Authored-By: drashna <drashna@live.com>

.github/ISSUE_TEMPLATE/blank.md

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+---
+name: Blank issue
+about: If you're 100% sure that you don't need one of the other issue templates, use this one instead. 
+
+---

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Create a report to help us improve the QMK Firmware
+---
+<!-- Provide a general summary of the bug in the Title above -->
+
+<!-- This template is entirely option and can be removed, but is here to help both you and us. -->
+<!-- This text and anything on lines wrapped like this one will not show up in the final text. This text is to help us and you. -->
+
+**Describe the bug**
+
+<!-- A clear and concise description of what the bug is. -->
+
+**System Information**
+ - Keyboard:  
+   - Revision (if applicable):  
+ - Operating System:
+ - avr-gcc version: 
+<!-- Run `avr-gcc --version` to find out -->
+ - arm gcc version: 
+<!-- Run `arm-none-eabi-gcc --version` to find out -->
+ - QMK Firmware version:
+<!-- You can run `git describe --abbrev=0 --tags` to find this out -->
+ - Any keyboard related software installed? 
+   - [ ] Auto Hot Key
+   - [ ] Karabiner
+   - [ ] Other
+
+**Additional context**
+
+<!-- Add any other context about the problem here. --> 

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature request
+about: Suggest a new feature or changes to existing features 
+---
+<!--- Provide a general summary of the changes you want in the Title above -->
+
+<!-- This template is entirely option and can be removed, but is here to help both you and us. -->
+<!-- This text and anything on lines wrapped like this one will not show up in the final text. This text is to help us and you. -->
+
+## Feature Request Type
+
+- [ ] Core Functionality
+- [ ] Add-on hardware support (e.g. audio, RGB, OLED screen, etc.)
+- [ ] Alteration (enhancement/optimization) of existing Feature(s)
+- [ ] New behavior
+
+## Description 
+
+<!-- A few sentences describing what it is that you'd like to see. Additional information (such as links to spec sheets, licensing info, other related issues or PR's, etc) would be helpful. -->

.github/ISSUE_TEMPLATE/other_issues.md

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+---
+name: Other issues
+about: Anything else that doesn't fall into the above categories. 
+---
+<!--- Provide a general summary of the changes you want in the Title above -->
+
+<!-- This text and anything on lines wrapped like this one will not show up in the final text. This text is to help us and you. -->
+
+<!-- Please check https://docs.qmk.fm/#/support for additional resources first. If that doesn't answer your question, check the bug report option, as that may be more appropriate. -->

.github/PULL_REQUEST_TEMPLATE.md

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+<!--- Provide a general summary of your changes in the Title above -->
+
+<!--- This template is entirely option and can be removed, but is here to help both you and us. -->
+<!--- This text and anything on lines wrapped like this one will not show up in the final text. This text is to help us and you. -->
+
+## Description
+<!--- Describe your changes in detail -->
+
+## Types of changes
+<!--- What types of changes does your code introduce? Put an `x` in all the boxes that apply: -->
+- [ ] Core
+- [ ] Bugfix
+- [ ] New Feature
+- [ ] Enhancement/Optimization
+- [ ] Keyboard (addition or update)
+- [ ] Keymap/Layout/Userspace (addition or update)
+- [ ] Documentation
+
+
+## Issues Fixed or Closed by this PR
+
+* 
+
+## Checklist:
+<!--- Go over all the following points, and put an `x` in all the boxes that apply. -->
+<!--- If you're unsure about any of these, don't hesitate to ask. We're here to help! -->
+- [ ] My code follows the code style of this project.
+- [ ] My change requires a change to the documentation.
+- [ ] I have updated the documentation accordingly.
+- [ ] I have read the **CONTRIBUTING** document. (https://docs.qmk.fm/#/contributing)
+- [ ] I have added tests to cover my changes.
+- [ ] I have tested the changes and verified that they work and don't break anything (as well as I can manage).