RC-2564-documentation-edits

[poplers24]

• Updated the “see more info in the API docs” link in the README.md file
• Added a description of methods supporting proxies for the solution and information about whether we have our own proxy for customers in the proxies section in the README.md file
• Added extended examples amazon_waf_options.py, geetest_v4_options.py, turnstile_options.py to examples.
• Added data parameter to hcaptcha_options.py example
• Changed the name of the sol=>solver variable in the example file keycaptcha_options.py
• Added package description to __init__.py file

[poplers24]

@kratzky готово по задаче RC-2564