Added release notes

Author: jaydrogers

CONTRIBUTING.md

@@ -0,0 +1,9 @@
+# Updating Release Tag
+1. Publish the version as `v1.x.x` on GitHub
+2. Then update the major tag locally:
+
+```bash
+git pull
+git tag -fa v1 -m "Update v1 tag"
+git push origin v1 --force
+```