Create oci.yml

.github/workflows/oci.yml

+name: OCI
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Login to Docker Hub
+      run: docker login --username mstg --pasword ${{secrets.DOCKER_SECRET}}
+    - name: Get the version
+      run: echo ::set-output name=SOURCE_TAG::${GITHUB_REF#refs/tags/}
+    - name: Build the Docker image
+      run: docker build . -t docker.io/mstg/srpmproc:${SOURCE_TAG}
+    - name: Push to Docker Hub
+      run: docker push docker.io/mstg/srpmproc:${SOURCE_TAG}