Merge pull request scala-js#10 from exoego/release-drafter

Use release-drafter for ease of releasing

Author: exoego

.github/release-drafter.yml

@@ -0,0 +1,24 @@
+name-template: 'v$NEXT_PATCH_VERSION 🌈'
+tag-template: 'v$NEXT_PATCH_VERSION'
+categories:
+  - title: '🚀 Features'
+    labels:
+      - 'feature'
+      - 'enhancement'
+  - title: '🐛 Bug Fixes'
+    labels:
+      - 'fix'
+      - 'bugfix'
+      - 'bug'
+  - title: '📚 Docs'
+    labels:
+      - 'docs'
+  - title: '🧰 Maintenance'
+    labels:
+      - 'chore'
+      - 'internal'
+change-template: '- $TITLE @$AUTHOR (#$NUMBER)'
+template: |
+  ## Changes
+
+  $CHANGES