Added actions task to automatically update class mappings

.github/workflows/push.yml

@@ -41,6 +41,18 @@ jobs:
           git commit -m "Automatic bundle update"
           git push
         fi
+    - name: Update scripts and class mappings
+      if: ${{ github.repository == 'Anuken/Mindustry' }}
+      run: |
+        ./gradlew updateScripts
+
+        if [ -n "$(git status --porcelain)" ]; then
+          git config --global user.name "Github Actions"
+          git config --global user.email "actions@github.com"
+          git add core/assets/bundles/*
+          git commit -m "Automatic class mapping update"
+          git push
+        fi
     - name: Update JITpack repo
       if: ${{ github.repository == 'Anuken/Mindustry' }}
       run: |