feat(ci): add build web action

.github/workflows/build-web.yml

@@ -0,0 +1,65 @@
+name: 🌐 Build Web
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+  workflow_dispatch:
+
+env:
+  BUILD_TYPE: Release
+  CCACHE_BASEDIR: ${{ github.workspace }}
+  CCACHE_DIR: "${{ github.workspace }}/.ccache"
+  CCACHE_COMPILERTYPE: gcc
+  CMAKE_TOOLCHAIN_FILE: ${{ github.workspace }}/cmake/Emscripten.cmake
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up Emscripten
+      uses: mymindstorm/setup-emsdk@v14
+
+    - name: Install dependencies
+      run: |
+        sudo apt-get update
+        sudo apt-get install ccache
+
+    - name: Get timestamp
+      shell: bash
+      id: ccache_vars
+      run: |
+        echo "timestamp=$(date +%s)" >> $GITHUB_OUTPUT
+
+    - uses: actions/cache@v4
+      with:
+        path: ${{ env.CCACHE_DIR }}
+        key: ccache-${{ env.CCACHE_COMPILERTYPE }}-${{ env.BUILD_TYPE }}-${{ github.ref }}-${{ steps.ccache_vars.outputs.timestamp }}
+        restore-keys: |
+          ccache-${{ env.CCACHE_COMPILERTYPE }}-${{ env.BUILD_TYPE }}-${{ github.ref }}-
+          ccache-${{ env.CCACHE_COMPILERTYPE }}-${{ env.BUILD_TYPE }}-
+          ccache-${{ env.CCACHE_COMPILERTYPE }}-
+          ccache-
+
+    - name: Configure CMake
+      run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DCUBOS_CORE_SAMPLES=ON  -DCUBOS_ENGINE_SAMPLES=ON -DCMAKE_TOOLCHAIN_FILE=${{env.CMAKE_TOOLCHAIN_FILE}}
+      shell: bash
+      env:
+        CC:   emcc
+        CXX:  em++
+
+    - name: CCache Prolog
+      run: |-
+        ccache -s # Print current cache stats
+        ccache -z # Zero cache entry
+
+    - name: Build
+      run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}} --target all
+
+    - name: CCache Epilog
+      run: |
+        ccache -s # Print current cache stats