add gitea image build

.gitea/workflows/build.yaml

@@ -0,0 +1,21 @@
+name: build
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Login to Gitea container registry
+        uses: docker/login-action@v3
+        with:
+          registry: code.jamey.stream
+          username: jamey
+          password: 2a9cdbe263f11b074db5bd195ff8991e306d5837
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          tags: code.jamey.stream/jamey/action-requests-demo.jamey.stream:${{ gitea.sha }}