chore(release): add pypi classifiers

[vishnu-itachi]

Description

• Added License to pyproject.toml so that It comes on pypi
• Also added few classifiers which seem okay from the main Litestar repo

Closes

Summary by Sourcery

Add license and classifiers to pyproject.toml to enhance project metadata for PyPI.

Build:

• Add license information to pyproject.toml to ensure it appears on PyPI.
• Include additional classifiers in pyproject.toml to better describe the project.

[sourcery-ai]

Reviewer's Guide by Sourcery

This PR adds the MIT license and relevant classifiers to the project's pyproject.toml file to improve the package's metadata on PyPI. The changes are straightforward configuration updates with no functional code modifications.

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

File-Level Changes

Change	Details	Files
Added MIT license and package classifiers to project metadata	Added MIT license specification Added Python version compatibility classifiers (3.8-3.12) Added topic classifiers for WWW/HTTP, libraries, and frameworks Added language and OS compatibility classifiers	pyproject.toml

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