Update documentation configuration (#86)

* Docs configuration

* Update docs/index.md

Co-authored-by: Eirik Tsarpalis <eirik.tsarpalis@gmail.com>

* Update the configuration

* Update docs/docfx.json

Co-authored-by: Eirik Tsarpalis <eirik.tsarpalis@gmail.com>

* Update config

* Update icons, use Makefile, remove warnings

* Use a link that passes markdown link validation

* remove working directory

---------

Co-authored-by: Eirik Tsarpalis <eirik.tsarpalis@gmail.com>

.github/workflows/docs.yml

@@ -0,0 +1,43 @@
+on:
+  release:
+    types: [published]
+  workflow_dispatch:
+
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+  actions: read
+  pages: write
+  id-token: write
+
+# Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
+# However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+  
+jobs:
+  publish-docs:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+
+    - name: .NET Setup
+      uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: 9.x
+
+    - name: Generate documentation
+      run: make generate-docs
+
+    - name: Upload Pages artifact
+      uses: actions/upload-pages-artifact@v3
+      with:
+        path: 'artifacts/_site'
+
+    - name: Deploy to GitHub Pages
+      id: deployment
+      uses: actions/deploy-pages@v4