add test gitea action

.gitea/workflows/rebuild.yml

@@ -0,0 +1,16 @@
+name: Rebuild Gitea container
+run-name: ${{ gitea.actor }} is testing actions
+on: [push]
+
+jobs:
+  Build container image:
+    runs-on: ubuntu-latest
+    steps:
+      - run: echo "Trigged by ${{ gitea.event_name }}"
+      - run: echo "Name of branch is ${{ gitea.ref }} and repository ${{ gitea.repository }}"
+      - name: Check out repository code
+        uses: actions/checkout@v3
+      - name: List all files
+        run: |
+          ls ${{ gitea.workspace }}
+      - run: echo "Status is ${{ job.status }}"