👷 add Docker publish workflow

Author: techouse

.github/workflows/docker.yml

@@ -12,6 +12,9 @@ jobs:
   push_to_registry:
     name: Push Docker image to Docker Hub
     runs-on: ubuntu-latest
+    environment:
+      name: docker
+      url: https://pypi.org/p/sqlite3-to-mysql
     steps:
       - name: Check out the repo
         uses: actions/checkout@v4