* Remove obsolete design documents for built-in components, console app, and MVC adaptation

* feat: Add Syntax Highlighter component with ColorCode integration

- Introduced a new `<SyntaxHighlighter>` Razor component for rendering code snippets with syntax highlighting.
- Integrated ColorCode for language parsing and token classification.
- Implemented a `SyntaxHighlightingService` to manage highlighting requests and payload encoding/decoding.
- Created `SyntaxTheme` and `SyntaxOptions` to customize highlighting styles and behaviors.
- Added `ColorCodeLanguageRegistry` and `SyntaxThemeRegistry` for managing supported languages and themes.
- Developed a gallery page to demonstrate the usage of the new component.
- Added unit tests for `SyntaxHighlightingService` and integration tests for the VDOM translator.
- Updated project files to include necessary dependencies and configurations.

* refactor: Remove obsolete SyntaxHighlighter data attribute and improve rendering logic

* Refactor rendering components and syntax highlighting

- Removed SpinnerRenderableConverter and TextRenderableConverter classes as they are no longer needed.
- Introduced ConsoleViewResult class to encapsulate the result of rendering Razor components for the console.
- Removed HtmlToSpectreRenderableConverter and replaced it with a more modular approach for rendering.
- Added ColorCodeLanguageRegistry and PlainTextLanguage classes to manage syntax highlighting languages.
- Implemented SpectreMarkupFormatter for formatting code with syntax highlighting.
- Created SyntaxHighlightingService to handle syntax highlighting requests and responses.
- Added SyntaxOptions and SyntaxTheme classes to configure syntax highlighting behavior and styles.
- Introduced SyntaxThemeRegistry for managing available syntax themes.
- Updated ButtonRenderableBuilder to support new button rendering logic.
- Modified VdomSpectreTranslatorTests to reflect changes in attribute handling for syntax highlighting.

* refactor: Improve code formatting and indentation in syntax highlighting classes

* docs: Update README and add built-in components documentation
refactor: Modify Newline component to render a space instead of a newline
refactor: Simplify MarkupGallery component and enhance code example display

* Refactor gallery components to use Rows and Panels for improved layout

- Updated MarkupGallery.razor to remove unnecessary padding and use Rows for layout.
- Simplified NewlineGallery.razor by consolidating padding and using a single Rows structure.
- Refactored PadderGallery.razor to utilize Rows and Panels for better organization.
- Enhanced PanelGallery.razor by replacing padding with Rows and Panels for clarity.
- Streamlined RowsGallery.razor to use Rows for vertical stacking and simplified code examples.
- Modified SelectGallery.razor to adopt Rows and Panels for a cleaner structure.
- Reorganized SpinnerGallery.razor to use a loop for spinner examples and improved layout.
- Updated SyntaxHighlighterGallery.razor to simplify usage examples and improve readability.
- Refined TextButtonGallery.razor to use Rows and Panels for a more structured layout.
- Enhanced TextInputGallery.razor by replacing padding with Rows for better organization.

* feat: Add NuGet upgrade checker service and integrate into application

* chore: Update version prefix to 0.0.3 and reorder using directives in Program.cs

* docs: Enhance built-in components section with detailed descriptions

* docs: Add HotReload section to README and update MarkupGallery layout

* chore: Update gallery image asset

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Co-authored-by: BigMiao <g2260578356@gmail.com>