Add auto release workflow

.autorc

@@ -0,0 +1,9 @@
+{
+  "plugins": [
+    "git-tag"
+  ],
+  "owner": "alexchristy",
+  "repo": "PyOPN",
+  "name": "Alex Christy",
+  "email": "[email protected]"
+}

.github/workflows/release.yml

@@ -0,0 +1,29 @@
+name: Prod Release
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    if: "!contains(github.event.head_commit.message, 'ci skip') && !contains(github.event.head_commit.message, 'skip ci')"
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Prepare repository
+        run: git fetch --unshallow --tags
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v1
+        with:
+          node-version: '12.x'
+
+      - name: Install Auto and Plugins
+        run: npm install -g @auto-it/git-tag
+
+      - name: Release with Auto
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: npx auto shipit