docs: standardize README.md format

Update documentation paths to new docs-projects structure

Update funding information

Enhance: Add version management and standardize badge display

Add: CLAUDE.md with project documentation

Update: Document workflow changes in CHANGELOG

Refactor: Move documentation validation to dedicated workflow

Remove: Duplicate docs workflow (already in CI)

Add: Documentation workflow for Markdown validation

Refactor: Improve test structure with proper dependency injection

Fix: Update luacheckrc to properly handle spec files

Release: Bump version to 0.4.2

Fix: Ensure artisan output window opens in normal mode

Replace Telescope picker with custom floating window for command output

Fix: Telescope sorter _start method error