fix(docs): failing mkdocs build

[ndonkoHenri]

https://github.com/flet-dev/flet-permission-handler/actions/runs/16158145203/job/45604588018

[Copilot]

Pull Request Overview

This PR fixes a failing MkDocs build by updating documentation configuration, dependencies, and code documentation formatting. The changes address issues with MkDocs plugins, dependency versions, and documentation string formatting that were causing the build to fail.

Key changes include:

• Updated MkDocs configuration with proper plugin versions and settings
• Reformatted documentation strings to improve line length and readability
• Updated dependency specifications with version constraints

Reviewed Changes

Copilot reviewed 11 out of 12 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/flutter/flet_permission_handler/pubspec.yaml	Updated flutter_lints dependency to version 3.0.0
src/flet_permission_handler/types.py	Reformatted docstrings for better line wrapping and fixed import order
src/flet_permission_handler/permission_handler.py	Improved docstring formatting and method call formatting
src/flet_permission_handler/init.py	Added all export list for better module interface
pyproject.toml	Reorganized dependency groups and added version constraints
mkdocs.yml	Updated MkDocs configuration with proper plugin settings and inventory URLs
docs/types/permission_status.md	Added separate_signature configuration option
docs/types/permission.md	Added separate_signature configuration option
docs/index.md	Fixed broken cross-reference links
.pre-commit-config.yaml	Updated pre-commit hooks to use ruff instead of isort/black
.github/workflows/docs.yml	Added additional branches and dependency groups for docs workflow