<!--- Provide a general summary of your changes in the Title above -->
## Description
<!--- Describe your changes in detail -->
- Add "needs-triage" label to bug and new feature request template
- Add Badges to readme
## Motivation and Context
<!--- Why is this change required? What problem does it solve? -->
<!--- If it fixes an open issue, please link to the issue here. -->
#1392
## Types of changes
<!--- What types of changes does your code introduce? Put an `x` in all
the boxes that apply: -->
- [ ] Bug fix (non-breaking change which fixes an issue)
- [x] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to change)
* Updated docs URLs
winui --> windows-app-sdk
also removed en-us from windows + titlebar samples + removed "?view=winui-3.0" from several links
* Updated a few extra URLs
* Update README.md
* added a rule
* making this line a h2 seems better
tried h3, h4, h5
* "sample" to "app" and mentioned from the Microsoft Store
* H2 for Further information as opposed to having a line break, to match styling
* put note back to the top