[feat] [sdk] adapt for langchain v1

[mocayo]

feat/langchain: Integrate LangChain v1 and Update Dependencies

Description

This PR introduces the following changes to the project:

1. LangChain Integration: Adds support for LangChain v1 as part of the cozeloop-langchain module. This includes foundational updates to align with LangChain's features and requirements.
2. Dependency Updates:
   • Updates happy-dom to ensure compatibility and improved functionality.
3. Configuration and Linting:
   • Updates rush.json configuration for build and package management improvements.
   • Modifies markdown linting (mdlint) settings for consistent documentation standards.
4. Bug Fixes:
   • Fixes tool mocks within the cozeloop-langchain module to resolve prior issues.
5. Documentation:
   • Updates the README file with new information about LangChain integration and associated features.

Technical Details

• Refactored project scaffolding and added configurations to support LangChain's modular functionality.
• Updated happy-dom to address any compatibility issues or to leverage improvements and updates.

Checklist

• Feature integration and initial setup complete.
• Dependency happy-dom updated.
• rush.json and mdlint configured.
• Tool mock fixes addressed.
• README updated for added clarity.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

@@           Coverage Diff           @@
##             main      #25   +/-   ##
=======================================
  Coverage   90.69%   90.69%           
=======================================
  Files          60       60           
  Lines        3524     3524           
  Branches      815      815           
=======================================
  Hits         3196     3196           
  Misses        328      328           

Components	Coverage Δ
@cozeloop/ai	94.15% <ø> (ø)
@cozeloop/langchain	82.27% <ø> (ø)

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