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/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,32 @@
+<!--- 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).