Add GitHub Pages workflow for GraalPy site.

Author: olyagpl

.github/workflows/build-site.yml

@@ -0,0 +1,62 @@
+name: Build and deploy website
+
+on:
+  pull_request:
+    paths:
+      - 'docs/site/**'
+      - '.github/workflows/build-site.yml'
+  push:
+    branches:
+      - master
+    paths:
+      - 'docs/site/**'
+      - '.github/workflows/build-site.yml'
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: graalpy-site
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v6
+
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.2'
+
+      - name: Install site dependencies
+        working-directory: docs/site
+        run: bundle install
+
+      - name: Build site
+        working-directory: docs/site
+        env:
+          JEKYLL_ENV: production
+        run: bundle exec jekyll build
+
+      - name: Upload GitHub Pages artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: docs/site/_site
+
+  deploy:
+    if: github.event_name == 'push' && github.ref == 'refs/heads/master'
+    needs: build
+    runs-on: ubuntu-latest
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4

docs/user/Python-Standalone-Applications.md

@@ -13,7 +13,7 @@ The module bundles all your application's resources into a single file.
 
 ## Running Python Standalone Applications
 
-To create an native executable from a Python file with its dependencies, use this command:
+To create a native executable from a Python file with its dependencies, use this command:
 
 ```bash
 graalpy -m standalone native \