Add GitHub Pages docs deployment

.github/workflows/ci.yml

@@ -26,3 +26,29 @@ jobs:
 
       - name: Test
         run: dotnet test --no-build --configuration Release --collect:"XPlat Code Coverage" --logger "trx;LogFileName=test-results.trx"
+
+  docs-build:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: docs
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 10
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+          cache: pnpm
+          cache-dependency-path: docs/pnpm-lock.yaml
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Build docs
+        run: pnpm run build

.github/workflows/docs.yml

@@ -0,0 +1,64 @@
+name: Docs
+
+on:
+  push:
+    branches: [master]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: pages
+  cancel-in-progress: true
+
+env:
+  NODE_VERSION: "22"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: docs
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 10
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ env.NODE_VERSION }}
+          cache: pnpm
+          cache-dependency-path: docs/pnpm-lock.yaml
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Build docs
+        run: pnpm run build
+
+      - name: Configure GitHub Pages
+        uses: actions/configure-pages@v5
+
+      - name: Upload Pages artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: docs/dist
+
+  deploy:
+    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/astro.config.mjs

@@ -6,8 +6,14 @@ import react from "@astrojs/react";
 import tailwindcss from "@tailwindcss/vite";
 import mermaid from "astro-mermaid";
 
+const repositoryName = process.env.GITHUB_REPOSITORY?.split("/")[1];
+const site = process.env.SITE_URL ?? "https://sheepla.github.io";
+const base = process.env.BASE_PATH ?? (repositoryName ? `/${repositoryName}` : "/");
+
 // https://astro.build/config
 export default defineConfig({
+  site,
+  base,
   integrations: [
     mermaid(),
     starlight({