Create dispatch.yml

.github/workflows/dispatch.yml

@@ -0,0 +1,20 @@
+name: Repository Dispatch
+
+on:
+  repository_dispatch:
+    types: [ dispatch_event ]
+
+jobs:
+  sync:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Sync with Upstream
+        run: |
+          git remote add upstream https://github.com/Java-and-Script/pickple-log
+          git fetch upstream
+          git merge upstream/dev
+          git push origin dev