👷 add publish workflow

Author: BirjuVachhani

.github/workflows/publish.yaml

@@ -0,0 +1,35 @@
+name: Publish Package
+
+on:
+  push:
+    tags:
+      # must align with the tag-pattern configured on pub.dev, often just replace
+      #  with [0-9]+.[0-9]+.[0-9]+*
+      #  - 'v[0-9]+.[0-9]+.[0-9]+*' # tag-pattern on pub.dev: 'v'
+      # If you prefer tags like '1.2.3', without the 'v' prefix, then use:
+      - '[0-9]+.[0-9]+.[0-9]+*' # tag-pattern on pub.dev: ''
+    # If you repository contains multiple packages consider a pattern like:
+    # - 'my_package_name-v[0-9]+.[0-9]+.[0-9]+*'
+  workflow_dispatch:
+
+jobs:
+  publish:
+    permissions:
+      id-token: write # This is required for authentication using OIDC
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: dart-lang/setup-dart@v1
+      - name: Install Flutter
+        uses: subosito/flutter-action@v2
+        with:
+          channel: stable
+      - run: flutter --version
+      - name: Install dependencies
+        run: flutter pub get
+      - name: Format code
+        run: dart format --set-exit-if-changed .
+      - name: Dry Run
+        run: flutter pub publish --dry-run
+      - name: Publish
+        run: dart pub publish --force