feat: add doxygen

.github/workflows/doxygen.yaml

@@ -0,0 +1,42 @@
+name: Build and Deploy Doxygen
+
+on:
+  push:
+    branches: [main]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y doxygen graphviz
+
+      - name: Generate docs
+        run: doxygen Doxyfile
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: docs/html
+
+  deploy:
+    needs: build
+    runs-on: ubuntu-latest
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4

Doxyfile

@@ -0,0 +1,5 @@
+OUTPUT_DIRECTORY = docs
+GENERATE_HTML = YES
+GENERATE_LATEX = NO
+INPUT *.c *.h
+USE_MDFILE_AS_MAINPAGE = README.md