add readthedocs to CI

.github/workflows/ci.yml

@@ -48,34 +48,6 @@ jobs:
         run: php vendor/bin/phan --target-php-version=${{ matrix.php-version }}
 
 
-  build-docs:
-    name: "Build and publish Docs"
-    if: github.ref_name == 'main'
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: "Checkout sources"
-        uses: actions/checkout@v4
-
-      - name: "Install PHP"
-        uses: shivammathur/setup-php@v2
-        with:
-          php-version: "8.1"
-          coverage: none
-          tools: phpDocumentor
-          extensions: curl, fileinfo, intl, json, mbstring, simplexml, sodium, zlib
-
-      - name: "Build Docs"
-        run: phpdoc --config=phpdoc.xml.dist
-
-      - name: "Publish Docs to gh-pages"
-        uses: JamesIves/github-pages-deploy-action@v4
-        with:
-          BRANCH: gh-pages
-          FOLDER: docs
-          CLEAN: true
-
-
   tests:
     name: "Unit Tests"
     needs: static-code-analysis
@@ -120,3 +92,65 @@ jobs:
         with:
           project-token: ${{ secrets.CODACY_PROJECT_TOKEN }}
           coverage-reports: .build/coverage/clover.xml
+
+
+  build-docs:
+    name: "Build and publish API docs"
+    if: github.ref_name == 'main'
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: "Checkout sources"
+        uses: actions/checkout@v4
+
+      - name: "Install PHP"
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: "8.1"
+          coverage: none
+          tools: phpDocumentor
+          extensions: curl, fileinfo, intl, json, mbstring, simplexml, sodium, zlib
+
+      - name: "Build API docs"
+        run: phpdoc --config=phpdoc.xml.dist
+
+      - name: "Publish API docs to branch gh-pages"
+        uses: JamesIves/github-pages-deploy-action@v4
+        with:
+          branch: gh-pages
+          folder: .build/phpdocs
+          clean: true
+
+
+  build-manual:
+    name: "Build and publish user manual"
+    if: github.ref_name == 'main'
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: "Checkout sources"
+        uses: actions/checkout@v4
+
+      - name: "Install PHP"
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: "8.1"
+          coverage: none
+
+      - name: "Install Sphinx"
+        run: pip install sphinx myst-parser sphinx-rtd-theme
+
+      - name: "Install dependencies with composer"
+        uses: ramsey/composer-install@v2
+
+      - name: "Build manual"
+        run: |
+          cd docs
+          make html
+
+      - name: "Publish user manual to branch readthedocs"
+        uses: JamesIves/github-pages-deploy-action@v4
+        with:
+          branch: readthedocs
+          folder: .build/sphinx/html
+          clean: true