feat: Set up MkDocs documentation site with Material theme

- Created comprehensive MkDocs configuration with Material theme
- Set up organized documentation structure for ALwrity features
- Added GitHub Pages deployment workflow
- Created initial documentation pages:
  - Homepage with feature overview
  - Quick Start guide
  - Blog Writer and SEO Dashboard feature docs
  - Comprehensive troubleshooting guide
- Configured responsive design with dark/light mode toggle
- Added search functionality and navigation
- Set up automatic deployment to GitHub Pages

The documentation site will be available at https://alwrity.github.io/ALwrity

docs-site/mkdocs.yml

@@ -0,0 +1,108 @@
+site_name: ALwrity Documentation
+site_description: AI-Powered Digital Marketing Platform - Complete Documentation
+site_url: https://alwrity.github.io/ALwrity
+repo_url: https://github.com/AJaySi/ALwrity
+repo_name: AJaySi/ALwrity
+edit_uri: edit/main/docs-site/docs/
+
+# Copyright
+copyright: Copyright © 2024 ALwrity Team
+
+# Configuration
+theme:
+  name: material
+  palette:
+    # Light mode
+    - scheme: default
+      primary: blue
+      accent: light blue
+      toggle:
+        icon: material/brightness-7
+        name: Switch to dark mode
+    # Dark mode
+    - scheme: slate
+      primary: blue
+      accent: light blue
+      toggle:
+        icon: material/brightness-4
+        name: Switch to light mode
+  features:
+    - navigation.tabs
+    - navigation.sections
+    - navigation.expand
+    - navigation.path
+    - navigation.top
+    - search.highlight
+    - search.share
+    - search.suggest
+    - content.code.copy
+    - content.code.annotate
+    - content.action.edit
+    - content.action.view
+  font:
+    text: Roboto
+    code: Roboto Mono
+  icon:
+    repo: fontawesome/brands/github
+    edit: material/pencil
+    view: material/eye
+
+# Plugins
+plugins:
+  - search:
+      lang: en
+
+# Markdown extensions
+markdown_extensions:
+  - pymdownx.highlight:
+      anchor_linenums: true
+      line_spans: __span
+      pygments_lang_class: true
+  - pymdownx.inlinehilite
+  - pymdownx.superfences:
+      custom_fences:
+        - name: mermaid
+          class: mermaid
+          format: !!python/name:pymdownx.superfences.fence_code_format
+  - pymdownx.tabbed:
+      alternate_style: true
+      combine_header_slug: true
+      slugify: !!python/object/apply:pymdownx.slugs.slugify
+        kwds:
+          case: lower
+  - admonition
+  - pymdownx.details
+  - pymdownx.superfences
+  - attr_list
+  - md_in_html
+  - pymdownx.emoji:
+      emoji_index: !!python/name:material.extensions.emoji.twemoji
+      emoji_generator: !!python/name:material.extensions.emoji.to_svg
+  - pymdownx.superfences
+  - pymdownx.tabbed:
+      alternate_style: true
+  - pymdownx.tasklist:
+      custom_checkbox: true
+  - tables
+  - toc:
+      permalink: true
+      title: On this page
+
+# Extra configuration
+extra:
+  social:
+    - icon: fontawesome/brands/github
+      link: https://github.com/AJaySi/ALwrity
+
+# Navigation structure
+nav:
+  - Home: index.md
+  - Getting Started:
+    - Quick Start: getting-started/quick-start.md
+  - Features:
+    - Blog Writer:
+      - Overview: features/blog-writer/overview.md
+    - SEO Dashboard:
+      - Overview: features/seo-dashboard/overview.md
+  - Guides:
+    - Troubleshooting: guides/troubleshooting.md