Add a simple gitea-ci config to build docker image

Signed-off-by: baalajimaestro <me@baalajimaestro.me>

.gitea/workflows/build-push.yml

@@ -0,0 +1,24 @@
+on:
+  push:
+
+jobs:
+  Building:
+    runs-on: slave
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          registry: git.baalajimaestro.me
+          username: ${{ gitea.repository_owner }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Run Build
+        run: make build-image
+
+      - name: Push Image
+        run: |
+          docker tag traefik/traefik git.baalajimaestro.me/baalajimaestro/traefik:latest
+          docker push git.baalajimaestro.me/baalajimaestro/traefik:latest