[fix] new readme version

[Hlyda]

Summary by CodeRabbit

• Documentation

  • Updated the README with a new "Prerequisites" section and revised setup instructions for installing and running the LangGraph API server.

• Chores

  • Updated the .gitignore file to exclude the .langgraph_api/ directory from version control.

• Bug Fixes

  • Adjusted the source for prompt retrieval to ensure the correct prompt is used in self-RAG operations.

[coderabbitai]

Walkthrough

The updates include adding .langgraph_api/ to .gitignore, revising the README with clarified prerequisites and setup instructions for the LangGraph API server, and updating the prompt source identifier in generate.py from "self-rag" to "langchaindoc/self-rag".

Changes

File(s)	Change Summary
.gitignore	Added .langgraph_api/ to ignore this directory and its contents.
README.md	Added a prerequisites section; updated instructions to use LangGraph CLI and clarified API setup steps.
src/self_rag/nodes/generate.py	Changed hub.pull() argument from "self-rag" to "langchaindoc/self-rag".

Poem

In the warren of code, a new path we see,
Ignoring old folders, setting prompts free.
The README now guides with clarity bright,
While LangGraph hops forward, setup just right.
With every small tweak, our project takes flight!
🐇✨

✨ Finishing Touches

• 📝 Generate Docstrings

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[coderabbitai]

Actionable comments posted: 0

🧹 Nitpick comments (1)

README.md (1)

26-31: Fix Markdown indentation under Prerequisites. Remove the extra leading spaces before the paragraph to ensure it renders correctly:

-  Before you begin, ensure you have the following API keys for:
+Before you begin, ensure you have the following API keys for:

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 68be152 and 68e403c.

📒 Files selected for processing (3)

• .gitignore (1 hunks)
• README.md (1 hunks)
• src/self_rag/nodes/generate.py (1 hunks)

🔇 Additional comments (4)

.gitignore (1)

165-165: Approve ignoring .langgraph_api/ directory. The .langgraph_api/ folder is generated by the local LangGraph API server and should be excluded from version control to avoid committing ephemeral or environment‐specific files.

src/self_rag/nodes/generate.py (1)

8-8: Verify updated hub prompt identifier. The source was changed from "self-rag" to "langchaindoc/self-rag"—please confirm that this namespace exists on the LangChain Hub and that the prompt can be pulled successfully.

README.md (2)

40-43: Approve CLI installation instruction. Step 3 clearly and correctly installs the LangGraph CLI with the inmem extras.

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45-50: Approve server launch instruction. Step 4 accurately describes how to start the LangGraph API server via langgraph dev.