copy action from lean4web

.github/workflows/build.yml

@@ -2,23 +2,10 @@ name: Build
 run-name: Build the project
 on: [push]
 jobs:
-  build-client:
+  build:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
       - run: npm install
-      - run: npm run build_client
-
-  build-server:
-    runs-on: ubuntu-latest
-    steps:
-      - run: sudo apt-get install -y libatomic1
-      - name: install elan
-        run: |
-          set -o pipefail
-          curl -sSfL https://github.com/leanprover/elan/releases/download/v1.4.2/elan-x86_64-unknown-linux-gnu.tar.gz | tar xz
-          ./elan-init -y --default-toolchain none
-          echo "$HOME/.elan/bin" >> $GITHUB_PATH
-      - uses: actions/checkout@v3
-      - run: npm run build_server
+      - run: npm run build