feat: Ollama backend support - backend and model params

feat: add Ollama backend support to LLMAgent

feat: add DirectTransport - RFC-004

docs: update context with PyPI and full current state

fix: correct install command and title in README

docs: VC-style README - agentic economy narrative

feat: add PyPI publish workflow

feat: add TrustManager - RFC-003

docs: update context with all adapters

fix: add CrewAIAdapter to adapters init

fix: add missing crewai adapter file

feat: add CrewAI adapter

docs: professional README with quickstart and integrations

fix: add AutoGenAdapter to adapters init

fix: AutoGen adapter without deprecated ConversableAgent