feat(proxy): Enhanced proxy settings binding

[0x676e67]

This pull request introduces several improvements and new features to the rnet library, including enhanced logging, proxy support, and code formatting adjustments. The most important changes include adding logging capabilities, extending proxy support, and making various formatting adjustments in the codebase.

Logging Enhancements:

• examples/client.py: Introduced logging using the colorlog library to provide colored log output for different log levels.

Proxy Support:

• examples/client.py: Added support for HTTP and HTTPS proxies with authentication and exclusion options.
• src/types/proxy.rs: Updated the Proxy class to accept username, password, custom HTTP authentication, and exclusion parameters for both HTTP and HTTPS proxies. [1] [2]

Code Formatting:

• examples/logger.py: Standardized string quoting style and removed unnecessary blank lines. [1] [2]
• rnet.pyi: Applied consistent formatting across various classes, including Client, HeaderMap, Impersonate, Proxy, and others. [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25]

These changes enhance the functionality and readability of the rnet library, making it more robust and easier to maintain.