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>