ci: add github CI/CD for checking linting/style and automated release…

… PRs (#39)

.github/workflows/ci.yml

@@ -0,0 +1,46 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+jobs:
+  style:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: JohnnyMorganz/stylua-action@v3
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          version: latest
+          # CLI arguments
+          args: --check .
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: lunarmodules/luacheck@v1
+  release:
+    name: release
+
+    if: ${{ github.ref == 'refs/heads/main' }}
+    needs:
+      - style
+      - lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: google-github-actions/release-please-action@v3
+        id: release
+        with:
+          token: ${{ secrets.RELEASE_TOKEN }}
+          release-type: simple
+          package-name: nvim-window-picker
+      - uses: actions/checkout@v3
+      - uses: rickstaa/action-create-tag@v1
+        if: ${{ steps.release.outputs.release_created }}
+        with:
+          tag: stable
+          message: "Current stable release: ${{ steps.release.outputs.tag_name }}"
+          tag_exists_error: false
+          force_push_tag: true