Feat: Created SDK

[Utkarsh4517]

Features

• Created SDK
• Created schemas for PasteCreate PasteResponse and PasteDetails
• Create apis to create and get a paste which returns uuid and url (to be used by SDK)
• Wrote an example code
• Wrote test cases

Checklist

• My pull request has a descriptive title (not a vague title like Update index.md).
• My pull request targets the default branch of the repository (main or master).
• My commit messages follow best practices.
• My code follows the established code style of the repository.
• I added or updated tests for the changes I made (if applicable).
• I added or updated documentation (if applicable).
• I tried running the project locally and verified that there are no
  visible errors.

[github-actions]

Sarthi Deployment Status 5106b2f941be2f99🤖
Deleted ephemeral / preview environment for https://github.com/Utkarsh4517/paste.py.git/feat-sdk

[Utkarsh4517]

python3 example.py
Created paste with ID: 5nRU..py
Retrieved paste content: {'uuid': '5nRU..py', 'content': "print('Hello, World!')", 'extension': 'py'}
Delete result: File successfully deleted 5nRU..py
Number of supported languages: 397

@Mr-Sunglasses

[Mr-Sunglasses]

LGTM, Thanks @Utkarsh4517