added in gitea actions

.gitea/workflows/build.yaml

@@ -0,0 +1,13 @@
+name: Gitea Actions Demo
+run-name: ${{ gitea.actor }} is testing Gitea Actions 🚀
+on: [push]
+jobs:
+  Explore-Gitea-Actions:
+    runs-on: ubuntu-latest
+    steps:
+      - run: echo "🎉 The job was automatically triggered by a ${{ gitea.event_name }} event."
+      - run: echo "🐧 This job is now running on a ${{ runner.os }} server!"
+      - name: Check out repository code
+        uses: actions/checkout@v3
+      - run: echo "💡 The ${{ gitea.repository }} repository has been cloned to the runner."
+      - run: echo "🖥️ The workflow is now ready to test your code."