ci: build and deploy workflows

Author: tgrospic

.github/actions/setup-rust/action.yml

@@ -0,0 +1,23 @@
+name: Setup Rust
+
+runs:
+  using: composite
+
+  steps:
+    - name: Install sccache
+      uses: mozilla-actions/sccache-action@v0.0.9
+
+    - name: Install Rust
+      uses: dtolnay/rust-toolchain@stable
+
+    - name: Install Rust cache
+      uses: Swatinem/rust-cache@v2
+      with:
+        cache-targets: false
+
+    - name: Install Just
+      run: cargo install just
+      shell: bash
+
+    - name: Install Nextest
+      uses: taiki-e/install-action@nextest

.github/workflows/deploy.yml

@@ -0,0 +1,61 @@
+name: Deploy mdBook to GitHub Pages
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: pages
+  cancel-in-progress: false
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    if: github.event_name != 'push' || github.ref == 'refs/heads/master'
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+
+    - name: Setup Pages
+      uses: actions/configure-pages@v5
+
+    - name: Setup Rust
+      uses: ./.github/actions/setup-rust
+
+    - name: Install mdBook and plugins
+      run: |
+        cargo install mdbook
+        cargo install mdbook-admonish
+        cargo install mdbook-katex
+        cargo install mdbook-linkcheck
+
+    - name: Build
+      run: mdbook build
+
+    - name: Upload artifact
+      uses: actions/upload-pages-artifact@v3
+      with:
+        path: book
+
+  # Deploy when PR is merged or direct push to master
+  deploy:
+    name: Deploy
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push' && github.ref == 'refs/heads/master'
+    needs:
+    - build
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    steps:
+    - name: Deploy to GitHub Pages
+      id: deployment
+      uses: actions/deploy-pages@v4