Added doxygen docs

.github/workflows/doxygen-docs.yml

@@ -0,0 +1,25 @@
+name: Doxygen Action
+
+# Controls when the action will run. Triggers the workflow on push or pull request
+# events but only for the master branch
+on:
+  push:
+    branches: [ main ]
+
+jobs:
+  docs:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - uses: mattnotmitt/doxygen-action@edge
+        with:
+          # Working directory
+          working-directory: "./docs" # default is .
+          # Path to Doxyfile
+          doxyfile-path: "./Doxyfile" # default is ./Doxyfile
+      - name: Deploy Docs
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_branch: gh-pages
+          publish_dir: ./docs/build-doxygen/html

.gitignore

@@ -1,4 +1,3 @@
 .vscode
-build
-build-MSVC2019-Debug
+build*
 CMakeLists.txt.user