feat: add WASM build workflow

.github/workflows/wasm-build.yaml

@@ -0,0 +1,58 @@
+name: WASM Build
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  wasm-build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+        with:
+          submodules: recursive
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Cache Docker layers
+        uses: actions/cache@v3
+        with:
+          path: /tmp/.buildx-cache
+          key: ${{ runner.os }}-buildx-${{ github.ref }}-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-buildx-${{ github.ref }}-
+
+      - name: Build Docker image for WASM
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          file: wasm/Dockerfile
+          tags: vibra-wasm:latest
+          push: false
+          load: true
+          cache-from: type=local,src=/tmp/.buildx-cache
+          cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max
+
+      - name: Move cache
+        run: |
+          rm -rf /tmp/.buildx-cache
+          mv /tmp/.buildx-cache-new /tmp/.buildx-cache
+
+      - name: Run Docker container for WASM build
+        run: |
+          docker run --rm -v $(pwd)/wasm/build:/app/wasm/build vibra-wasm:latest
+
+      - name: Upload WASM artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: wasm-build
+          path: |
+            wasm/build/vibra.wasm
+            wasm/build/vibra.js