document, add circuit diagram

.github/workflows/ci.yml

@@ -18,3 +18,14 @@ jobs:
       - uses: actions/checkout@v4
       - name: Clippy
         run: cargo clippy --all-targets --all-features
+  typos:
+    if: github.event.pull_request.draft == false
+    name: Spell Check with Typos
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Use typos with config file
+      uses: crate-ci/typos@master
+      with: 
+        config: .github/workflows/typos.toml
+

.github/workflows/typos.toml

@@ -0,0 +1,2 @@
+[default.extend-words]
+groth = "groth"