Basic GitHub Action CI (#3)

* build: let's give that GH pages workflow a try

* chore: wording

* feat: added GH pages build

* chore: switch to main branch before merge

Author: mfranzke

.github/workflows/gh_pages.yml

@@ -0,0 +1,24 @@
+name: GitHub Pages
+
+on:
+  push:
+    branches:
+      - main # Set a branch name to trigger deployment
+
+jobs:
+  deploy:
+    runs-on: ubuntu-20.04
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
+    steps:
+      - uses: actions/checkout@v3
+      - name: NPM install
+        run: npm ci
+      - name: NPM Build
+        run: npm run build
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v3
+        if: ${{ github.ref == 'refs/heads/main' }}
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./public