WASM binding (#114)

Signed-off-by: Anand Krishnamoorthi <anakrish@microsoft.com>

.github/workflows/rust.yml

@@ -37,3 +37,11 @@ jobs:
     - name: Run tests (OPA Conformance)
       run: >-
         cargo test -r --test opa -- $(tr '\n' ' ' < tests/opa.passing)
+
+    - name: Install wasm-pack
+      run: curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
+
+    - name: Run wasm binding tests
+      run: |
+        cd bindings/wasm
+        wasm-pack test --node -r