Merge pull request #19 from HelgeSverre/HelgeSverre/move-md-to-docs

fix: remove duplicate /v1 prefix in Weaviate test URLs

fix: prevent null API key TypeError when env vars are not set

chore: add tests, code quality report, and clean up TODO

fix: add default case to ExportTracesCommand match and update PHPStan baseline

feat: add Groq, XAI, Moonshot, and Gemini LLM drivers

fix: handle zero vectors in cosine similarity and validate dimensions in InMemory store

fix: repair GrumPHP pre-commit hooks for Herd PHP environment

fix: add defensive checks for empty API responses and proper JSON error handling

Merge remote-tracking branch 'origin/next-version'

style: fix code style

docs: mark project as experimental in README

style: fix code style

feat: v1.0.0 release - production AI utilities toolkit

test: add Span, SpanBuilder, Document Loader, and TextUtils tests