Update examples directory structure

[NxPKG]

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Summary by Sourcery

Reorganize the examples directory structure to group examples by framework or library, enhancing clarity and maintainability. Update the README.md to reflect the new structure and provide an overview of the examples available.

Enhancements:

• Reorganize the examples directory to group examples by framework or library, providing a clearer structure.

Documentation:

• Update the README.md in the examples directory to include a high-level overview of the new directory structure.

[sourcery-ai]

Reviewer's Guide by Sourcery

This PR reorganizes the examples directory structure by introducing a more organized, framework-based hierarchy. The changes involve moving existing example projects into framework-specific subdirectories and adding a comprehensive directory structure documentation.

No diagrams generated as the changes look simple and do not need a visual representation.

File-Level Changes

Change	Details	Files
Introduced a new hierarchical directory structure for examples	Added framework-specific directories (actix-web/, axum/, rocket/, warp/) Created a generic/ directory for framework-agnostic examples Added README.md files for each framework directory Organized todo examples under generic/todo/ with framework-specific implementations	examples/README.md
Removed old flat directory structure files	Removed individual example directories from root examples/ folder Removed associated Cargo.toml, README.md, and source files from old structure	examples/actix-web-multiple-api-docs-with-scopes/* examples/actix-web-scopes-binding/* examples/axum-fastapi-bindings/* examples/axum-fastapi-nesting-vendored/* examples/raw-json-actix/* examples/rocket-todo/* examples/todo-actix/* examples/todo-axum/* examples/todo-tide/* examples/todo-warp/* examples/todo-warp-rapidoc/* examples/todo-warp-redoc-with-file-config/* examples/warp-multiple-api-docs/*

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[sourcery-ai]

Hey @NxPKG - I've reviewed your changes and they look great!

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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