Broken link to Langchain text_splitter reference.

[ssflynn77]

This issue is for a: (mark with an x)

- [ ] bug report -> please search issues before submitting
- [ ] feature request
- [x ] documentation issue or request
- [ ] regression (a behavior that used to work and stopped in a new release)

Minimal steps to reproduce

./Vector/EmbeddingGenerator/README.md has a link to LangChain's text splitter. It takes you to a 404 error page

Any log messages given by the failure

404 Not Found

Expected/desired behavior

Link should take you to https://api.python.langchain.com/en/latest/api_reference.html#module-langchain.text_splitter

OS and Version?

Windows 7, 8 or 10. Linux (which distribution). macOS (Yosemite? El Capitan? Sierra?)

Versions

ALL