Add GitHub Actions status badges to README

- Add CI workflow status badge
- Add Deploy workflow status badge
- Include links to Actions page for each workflow

Author: In1quity

README.md

@@ -1,4 +1,8 @@
 # Rater
+
+[![CI](https://github.com/In1quity/rater/workflows/CI/badge.svg)](https://github.com/In1quity/rater/actions?query=workflow%3ACI)
+[![Deploy](https://github.com/In1quity/rater/workflows/Deploy/badge.svg)](https://github.com/In1quity/rater/actions?query=workflow%3ADeploy)
+
 This is the source code for version 2 of the Wikipedia userscript [Rater](https://en.wikipedia.org/wiki/User:Evad37/rater).
 
 ## Installation instructions and user guide