v0.1.0 of semantic_search_codespark

Offline semantic search for Flutter — match by meaning, not spelling. Finds 'physician' when users type 'doctor'. On-device MiniLM, no API keys, tiny API. Changelog excerpt: Initial release — offline semantic search for Flutter. - SemanticSearch: one-call API to rank a list of strings or typed objects by meaning, fully on-device (no API keys, no cloud). - search()/ searchObjects(): one-shot search with topKand an optional similarity threshold. - createIndex()→ SemanticIndex: embed a corpus once and query it repeatedly; supports diversity-aware ranking (MMR) via searchDiverse(). - SemanticResult: carries the matched item, its cosine score, an[...]