Crewai

What's Changed
* remove all references to pipeline and pipeline router
* docs: Add Nvidia NIM as provider in Custom LLM
* add knowledge demo + improve knowledge docs
* Brandon/cre 509 hitl multiple rounds of followup
* New docs about yaml crew with decorators. Simplify template crew

What's Changed
* Added knowledge to agent level
* Feat/remove langchain
* Improve typed task outputs
* Log in to Tool Repository on `crewai login`
* Fixes issues with result as answer not properly exiting LLM loop
* fix: missing key name when running with ollama provider
* fix spelling issue found
* Update readme for running mypy
* Add knowledge to mint.json
* Update Github actions
* Docs Update Agents docs to include two approaches for creating an agent
* Documentation Improvements: LLM Configuration and Usage

What's Changed
* New `before_kickoff` and `after_kickoff` crew callbacks
* Support to pre-seed agents with Knowledge
* Add support for retrieving user preferences and memories using Mem0
* Fix Async Execution
* Upgrade chroma and adjust embedder function generator
* Update CLI Watson supported models + docs
* Reduce level for Bandit
* Fixing all tests
* Update Docs

* Fixing Tokens callback replacement bug
* Fixing Step callback issue
* Add cached prompt tokens info on usage metrics
* Fix crew_train_success test

Series of small bug fixes around llms support

* Add inputs to flows
* Enhance log storage to support more data types
* Add support to IBM memory
* Add Watson as an option in CLI
* Add security.md file
* Replace .netrc with uv environment variables
* Move BaseTool to main package and centralize tool description generation
* Raise an error if an LLM doesnt return a response
* Fix flows to support cycles and added in test
* Update how we name crews and fix missing config
* Update docs