feat: Integrate Docusaurus for documentation and enhance project structure

- Added Docusaurus configuration and initial setup for documentation.
- Created multiple documentation pages covering installation, configuration, and core concepts.
- Implemented a GitHub Actions workflow for automatic deployment of documentation to GitHub Pages.
- Updated .gitignore to exclude Docusaurus build artifacts and dependencies.
- Enhanced README with a link to the online documentation.

.github/workflows/docusaurus-deploy.yml

@@ -0,0 +1,55 @@
+name: Deploy Docusaurus to GitHub Pages
+
+on:
+  push:
+    branches: [main]
+    paths: ['docs/**']
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+# Allow only one concurrent deployment
+concurrency:
+  group: "pages"
+  cancel-in-progress: true
+
+jobs:
+  build:
+    name: Deploy Docusaurus
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: ./docs
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      
+      - name: Setup Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18
+          cache: yarn
+          cache-dependency-path: docs/yarn.lock
+      
+      - name: Install dependencies
+        run: yarn install --frozen-lockfile
+      
+      - name: Build
+        run: yarn build
+      
+      - name: Setup Pages
+        uses: actions/configure-pages@v3
+      
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v2
+        with:
+          path: ./docs/build
+      
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v2