Add GitHub workflow for circuits

.github/workflows/noir.yml

@@ -0,0 +1,35 @@
+name: Noir
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Install Noir toolchain
+      uses: noir-lang/[email protected]
+      with:
+        toolchain: nightly
+    - name: Prove single SMT OP circuit
+      run: |
+        cd circuits/single_smt_op
+        nargo prove
+    - name: Verify single SMT OP circuit
+      run: |
+        cd circuits/single_smt_op
+        nargo verify
+    - name: Prove batch SMT OP circuit
+      run: |
+        cd circuits/batch_smt_op
+        nargo prove
+    - name: Verify batch SMT OP circuit
+      run: |
+        cd circuits/batch_smt_op
+        nargo verify