ci: add lls-check to ci.yml

.github/workflows/ci.yml

@@ -42,3 +42,17 @@ jobs:
 
       - name: doc-comments
         run: ./scripts/doc-comments.sh
+
+  check:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: deps
+      run: |
+        sudo add-apt-repository universe
+        sudo apt install lua-language-server -y
+
+    - name: lls-check
+      run: |
+        scripts/lls-check