NXT-15184: Updated .gitignore and Pull Request Template (#273)

* Updated `.gitignore` and Pull Request Template

* Added `public` to `.gitignore`

Author: ion-andrusciac-lgp

.github/PULL_REQUEST_TEMPLATE.md

@@ -2,6 +2,7 @@
 
 * [ ] I have read and understand the [contribution guide](http://enactjs.com/docs/developer-guide/contributing/)
 * [ ] A [CHANGELOG entry](http://enactjs.com/docs/developer-guide/contributing/changelogs/) is included
+* [ ] I have run automated testing and it is passed
 * [ ] Documentation was added or is not needed
 * [ ] This is an API breaking change
 

.gitignore

@@ -1,13 +1,19 @@
+# See http://help.github.com/ignore-files/ for more about ignoring files.
+
 # build output
 dist/
+
 # generated types
 .astro/
+
+# editor
 .idea/
 .vscode/
 
 #documentation related
 data/
 raw/
+public/
 src/content/docs/developer-guide
 src/content/docs/developer-tools
 src/content/docs/modules