Issue templates (#17)

* Inital draft for issue templates

* pull request template

Co-authored-by: t-dedah <t-dedah@github.com>

.github/ISSUE_TEMPLATE/feedback.md

@@ -0,0 +1,28 @@
+---
+name: "\U0001F4E3 Feedback"
+about: Give us general feedback about the GitHub Actions Cache CLI extension
+title: ''
+labels: feedback
+assignees: ''
+
+---
+
+# CLI Feedback
+
+You can use this template to give us structured feedback or just wipe it and leave us a note. Thank you!
+
+## What have you loved?
+
+_eg "the nice colors"_
+
+## What was confusing or gave you pause?
+
+_eg "it did something unexpected"_
+
+## Are there features you'd like to see added?
+
+_eg "gh actions-cache cli extension needs colours and tables"_
+
+## Anything else?
+
+_eg "have a nice day"_