docs[patch]: Fix bad link format (#23553)

docs/docs/contributing/documentation/style_guide.mdx

@@ -13,7 +13,7 @@ organization and structure.
 LangChain's documentation follows the [Diataxis framework](https://diataxis.fr).
 Under this framework, all documentation falls under one of four categories: [Tutorials](/docs/contributing/documentation/style_guide/#tutorials),
 [How-to guides](/docs/contributing/documentation/style_guide/#how-to-guides),
-[References]/docs/contributing/documentation/style_guide/#references, and [Explanations](/docs/contributing/documentation/style_guide/#conceptual-guide).
+[References](/docs/contributing/documentation/style_guide/#references), and [Explanations](/docs/contributing/documentation/style_guide/#conceptual-guide).
 
 ### Tutorials
 

docs/docs/contributing/index.mdx

@@ -12,7 +12,7 @@ As an open-source project in a rapidly developing field, we are extremely open t
 
 There are many ways to contribute to LangChain. Here are some common ways people contribute:
 
-- [**Documentation**](/docs/contributing/documentation/style_guide): Help improve our docs, including this one!
+- [**Documentation**](/docs/contributing/documentation/): Help improve our docs, including this one!
 - [**Code**](/docs/contributing/code/): Help us write code, fix bugs, or improve our infrastructure.
 - [**Integrations**](integrations.mdx): Help us integrate with your favorite vendors and tools.
 - [**Discussions**](https://github.com/langchain-ai/langchain/discussions): Help answer usage questions and discuss issues with users.

docs/docs/contributing/repo_structure.mdx

@@ -7,6 +7,7 @@ If you plan on contributing to LangChain code or documentation, it can be useful
 to understand the high level structure of the repository.
 
 LangChain is organized as a [monorepo](https://en.wikipedia.org/wiki/Monorepo) that contains multiple packages.
+You can check out our [installation guide](/docs/how_to/installation/) for more on how they fit together.
 
 Here's the structure visualized as a tree: