github: add a build test job for renovate checks

.github/workflows/build-test.yml

@@ -0,0 +1,31 @@
+name: Build worker and website
+
+on:
+  push:
+    branches:
+      - renovate/**
+
+jobs:
+  deploy-main:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout source
+        uses: actions/checkout@v2
+
+      - name: Setup Latest Version of Hugo
+        uses: peaceiris/actions-hugo@v2
+        with:
+          hugo-version: '0.91.0'
+          extended: true
+
+      - uses: actions/setup-go@v2
+        with:
+          go-version: '1.17.5'
+
+      - name: Build
+        shell: bash
+        run: |
+          hugo --minify --gc
+          yarn install
+          yarn run build