feature(stalebot): bug, documentation, help wanted, and enhancement added to exempt labels (#869)

Author: zbyte64

.github/stale.yml

@@ -6,6 +6,10 @@ daysUntilClose: 14
 exemptLabels:
   - pinned
   - security
+  - 🐛bug
+  - 📖 documentation
+  - help wanted
+  - ✨enhancement
 # Label to use when marking an issue as stale
 staleLabel: wontfix
 # Comment to post when marking an issue as stale. Set to `false` to disable