Organize Examples

[dpouris]

• Created multiple example files to demonstrate different features of the package:
  • example_basic.go: Basic server setup and routing.
  • example_query_params.go: Handling query parameters.
  • example_dynamic_route.go: Handling dynamic routes with path parameters.
  • example_json_response.go: Sending JSON responses.
  • example_html_template.go: Serving HTML templates.
  • example_middleware.go: Using middleware.
• Improved documentation and readability of example code.
• Ensured each example is focused on a specific feature for better understanding and maintainability.