Added workflow for labels check (#6488)

Co-authored-by: Hedara <hedara90@gmail.com>

.github/workflows/labels.yml

@@ -0,0 +1,27 @@
+name: Labels
+
+on:
+  pull_request:
+    types: [opened, labeled, unlabeled]
+
+jobs:
+  label:
+    runs-on: ubuntu-latest
+    steps:
+      - name: check labels
+        uses: mheap/github-action-required-labels@v5
+        with:
+          mode: minimum
+          count: 1
+          labels: |
+            General
+            category: ability
+            category: battle-ai
+            category: battle-mechanic
+            category: battle-tests
+            category: items
+            category: move animation
+            category: move effect
+            category: overworld
+            category: pokemon
+            category: sprite-issue