ci: deploy to github pages

Signed-off-by: Ruby Iris Juric <ruby@srxl.me>

Author: Sorixelle

.github/workflows/build.yml

@@ -90,6 +90,8 @@ jobs:
       - gendocs-c
       - gendocs-android
       - gendocs-ios
+    outputs:
+      artifact_id: ${{ steps.upload_artifact.outputs.artifact_id }}
 
     steps:
       - name: Checkout
@@ -128,7 +130,27 @@ jobs:
           DOCS_URL: /tmp/docs/
 
       - name: Upload artifact
-        uses: actions/upload-artifact@v4
+        id: upload_artifact
+        uses: actions/upload-pages-artifact@v3
         with:
           name: site-build
           path: __public__
+
+  deploy:
+    runs-on: ubuntu-24.04
+    if: github.ref_name == 'main'
+    needs:
+      - build
+    permissions:
+      pages: write
+      id-token: write
+    environment:
+      name: github-pages
+      url: ${{ steps.deploy.outputs.page_url }}
+
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deploy
+        uses: actions/deploy-pages@v4
+        with:
+          artifact_name: ${{ needs.build.outputs.artifact_id }}