Rename project back to xpaintai in package.json and metadata.json; add QuestionMarkIcon component; enhance AI features with ask functionality in useAiFeatures hook and App component

Rename project from xpaintai to paintai; update canvas dimensions and AI API endpoint; enhance AI features with dimensions mode

Update image rendering in AiEditModal and hooks to draw at top-left corner; adjust text area size for better usability

Refactor AI image handling in useAiFeatures hook for improved canvas integration and aspect ratio management

Initialize xpaintai project with core files and basic structure