Deploy GitHub Actions artifacts to Pages (#5)

Author: keta1

.github/workflows/build.yml

@@ -3,6 +3,11 @@ on:
   push:
     branches:
       - master
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -14,4 +19,20 @@ jobs:
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
       - name: Build and deploy
-        run: nix develop --command mkdocs gh-deploy --force
+        run: nix develop --command mkdocs build --site-dir public
+      
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v1
+        with:
+          path: public
+        
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v1