v0.0.1

• Added the first OpenMind Python package and CLI.
• Added local app storage under ~/.openmind.
• Added source folder management.
• Added local file scanning for user-approved folders.
• Added text extraction for common file types.
• Added text normalization and chunking.
• Added local vector storage with LanceDB.
• Added SQLite records for sources, files, and indexing state.
• Added search over indexed local files.
• Added basic ask mode with source-grounded context.