add github workflow

.github/workflows/action.yml

@@ -0,0 +1,26 @@
+name: 'Build docker container'
+on: [push]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+          working-directory: '${{ github.workspace }}'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Docker login
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: |
+            ghcr.io/davidclaeysquinones/epg-info:latest