docs: fixes broken links (#866)

# Motivation

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# Content

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# Testing

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# Please check the following before marking your PR as ready for review

- [ ] I have added tests for my changes
- [ ] I have updated the documentation or added new documentation as
needed

Author: jayhack

docs/gen/capabilities.mdx

@@ -3,12 +3,12 @@ title: "Capabilities"
 icon: "gear"
 ---
 
-Codegen is built on an [open-source library](/introduction/overiew.mdx) for code manipulation.
+Codegen is built on an [open-source library](/introduction/overview) for code manipulation.
 
 It combines "tools" for code editing with powerful integrations, including Github, Linear and Slack.
 
 <Tip>
-  Learn more about our open source [code agent implementation](/docs/tutorials/build-code-agent)
+  Learn more about our open source [code agent implementation](/tutorials/build-code-agent)
 </Tip>
 
 ## Communication Tools
@@ -57,15 +57,11 @@ For teams using Linear for project management, Codegen offers:
 
 ## How Codegen Uses These Tools
 
-Codegen's AI brain (powered by Claude 3.7 Sonnet) intelligently selects and combines these tools to:
+Codegen's brain (powered by Claude 3.7 Sonnet) intelligently selects and combines these tools to:
 
 1. Understand your requests through natural language in Slack
 2. Determine the most appropriate tools to fulfill your request
 3. Execute the necessary actions across GitHub, Linear, and your codebase
 4. Provide clear, helpful responses back in Slack
 
-This seamless integration allows you to manage your entire development workflow through simple conversations, without having to switch between different platforms and interfaces.
-
-## Getting Started
-
-Ready to experience the power of Codegen? Check out our [Quickstart Guide](/docs/gen/quickstart) to set up Codegen for your team, and explore [Common Commands](/docs/gen/common-commands) to see how to interact with these tools through natural language.
+This seamless integration allows you to manage your entire development workflow through simple conversations, without having to switch between different platforms and interfaces.

docs/gen/introduction.mdx

@@ -11,7 +11,7 @@ Codegen is an intelligent code agent powered that seamlessly integrates with Sla
 </Frame>
 
 <Tip>
-  Explore our [Capabilities](/docs/gen/capabilities) page to learn more about
+  Explore our [Capabilities](/gen/capabilities) page to learn more about
   Codegen's full feature set and available tools!
 </Tip>
 

docs/tutorials/attributions.mdx

@@ -189,6 +189,3 @@ development process. By understanding which parts of your codebase are authored
 - Ensure appropriate review of AI-generated code
 - Measure the impact of AI on developer productivity
 
-For more advanced usage, check out the [API reference](/api-reference/extensions/attribution)
-for the attribution extension.
-