Adjust image height and prompt text area size in AiEditModal for improved layout

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

Initialize xpaintai project with core files and basic structure