docs: put documentation in the docs folder instead of examples

[vbarda]

• Moves documentation from examples/ directory to docs/ directory
• Removes copy_notebooks script -- all of the notebooks are now loaded explicitly from their paths in docs/
• Switches notebook link check to run after docs are built

[hinthornw]

lol

[vbarda]

gotta do what you gotta do

[tail-recursion]

What happened to this example; https://github.com/langchain-ai/langgraph/blob/main/examples/tutorials/tool-calling-agent-local.ipynb. The link gives file not found.

[vbarda]

What happened to this example; https://github.com/langchain-ai/langgraph/blob/main/examples/tutorials/tool-calling-agent-local.ipynb. The link gives file not found.

Thanks for flagging -- it is actually removed since that tutorial was redundant, will update the file! We have these 2 guides -- let me know if they are missing any additional information:

• https://langchain-ai.github.io/langgraph/how-tos/react-agent-from-scratch/
• https://langchain-ai.github.io/langgraph/how-tos/tool-calling/#react-agent