revive project: add the template from learnWGPU tutorial

Signed-off-by: Amneesh Singh <natto@weirdnatto.in>

.github/workflows/web.yml

@@ -0,0 +1,36 @@
+name: toranaWeb
+on:
+  workflow_run:
+    workflows: ["torana"]
+    types:
+      - completed
+  workflow_dispatch:
+
+env:
+  OUT_LINK: toranaWeb
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: cachix/install-nix-action@v20
+        with:
+          extra_nix_config: |
+            auto-optimise-store = true
+            experimental-features = nix-command flakes
+
+      - uses: cachix/cachix-action@v12
+        with:
+          name: pain
+          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+
+      - name: build
+        run: nix build .#toranaWeb --out-link $OUT_LINK -L
+
+      - name: wasm-bindgen
+        run: >
+          nix develop .#toranaWeb
+          -c wasm-bindgen
+          --target web $OUT_LINK/bin/torana.wasm
+          --out-dir www