Added test workflow file

Author: randilfernando

.github/workflows/main.yml

@@ -0,0 +1,21 @@
+on: [push]
+
+jobs:
+  send_message:
+    runs-on: ubuntu-latest
+    name: Send test message
+
+    steps:
+    - id: initial
+      uses: juztcode/gitter-github-action@v1
+      with:
+        room-id: ${{ secrets.GITTER_ROOM_ID }}
+        token: ${{ secrets.GITTER_TOKEN }}
+        text: Pending
+
+    - uses: juztcode/gitter-github-action@v1
+      with:
+        room-id: ${{ secrets.GITTER_ROOM_ID }}
+        token: ${{ secrets.GITTER_TOKEN }}
+        text: Success
+        message-id: ${{ steps.initial.outputs.message-id }}