docs: add proper slack link (#85)

# Motivation
<!-- Why is this change necessary? -->

# Content
<!-- Please include a summary of the change -->
# Testing
<!-- How was the change tested? -->
# 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
- [ ] I have read and agree to the [Contributor License
Agreement](../CLA.md)

---------

Co-authored-by: codegen-bot <[email protected]>
Co-authored-by: Codegen Team (Internal) <[email protected]>

Author: 3 people

docs/introduction/about.mdx

@@ -67,5 +67,5 @@ We believe in the power of open source software. Our core library, [codegen](htt
 <Note>
   Want to learn more about what we're building? Check out our [getting started
   guide](/introduction/getting-started) or join our [community
-  Slack](https://join.slack.com/t/codegen-community/shared_invite/...).
+  Slack](https://community.codegen.com).
 </Note>

docs/introduction/community.mdx

@@ -5,22 +5,19 @@ icon: "people-group"
 iconType: "solid"
 ---
 
+import {
+  COMMUNITY_SLACK_URL,
+  CODEGEN_SDK_GITHUB_URL,
+} from "/snippets/links.mdx";
+
 Join the growing Codegen community! We're excited to have you be part of our journey to make codebase manipulation and transformation more accessible.
 
 <CardGroup cols={2}>
-  <Card
-    title="Join our Slack"
-    icon="slack"
-    href="https://join.slack.com/t/codegen-community/shared_invite/..."
-  >
+  <Card title="Join our Slack" icon="slack" href={COMMUNITY_SLACK_URL}>
     Connect with the community, get help, and share your Codegen projects in our
     active Slack workspace.
   </Card>
-  <Card
-    title="GitHub"
-    icon="github"
-    href="https://github.com/codegen-sh/codegen-sdk"
-  >
+  <Card title="GitHub" icon="github" href={CODEGEN_SDK_GITHUB_URL}>
     Star us on GitHub, report issues, submit PRs, and contribute to the project.
   </Card>
   <Card title="Twitter (X)" icon="twitter" href="https://twitter.com/codegen">
@@ -43,7 +40,7 @@ Join the growing Codegen community! We're excited to have you be part of our jou
 
 ### Slack
 
-Our Slack community is where you can:
+Our [Slack community](https://community.codegen.com) is where you can:
 
 - Get help and support
 - Share your Codegen projects
@@ -52,7 +49,7 @@ Our Slack community is where you can:
 
 ### GitHub
 
-Codegen is open source and we welcome contributions! On GitHub you can:
+Codegen is [open source](https://github.com/codegen-sh/codegen-sdk) and we welcome contributions! On GitHub you can:
 
 - Report issues
 - Submit pull requests
@@ -61,7 +58,7 @@ Codegen is open source and we welcome contributions! On GitHub you can:
 
 ### Twitter (X)
 
-Follow us on Twitter/X to:
+Follow us on [Twitter/X](https://x.com/codegen) to:
 
 - Get the latest updates
 - See community highlights

docs/introduction/faq.mdx

@@ -37,13 +37,13 @@ iconType: "solid"
     title="How can I contribute if I'm new to the project?"
     icon="hand-holding-heart"
   >
-    Start by trying out Codegen, joining our Slack community, and looking for
-    issues labeled "good first issue" on GitHub. We welcome contributions to
+    Start by trying out Codegen, joining our [Slack community](https://community.codegen.com), and looking for
+    issues labeled "good first issue" on [GitHub](https://github.com/codegen-sh/codegen-sdk). We welcome contributions to
     documentation, examples, and code improvements.
   </Accordion>
   <Accordion title="Is Codegen free to use?" icon="scale-balanced">
     Yes, Codegen is [open source](https://github.com/codegen-sh/codegen-sdk) and free to use under the [Apache 2.0
-    license](https://github.com/codegen-sh/codegen-cli?tab=Apache-2.0-1-ov-file).
+    license](https://github.com/codegen-sh/codegen-sdk?tab=Apache-2.0-1-ov-file).
     You can use it for both personal and commercial projects.
   </Accordion>
   <Accordion title="Where can I get help if I'm stuck?" icon="life-ring">

docs/introduction/how-it-works.mdx

@@ -14,6 +14,10 @@ Codegen performs advanced static analysis to build a rich graph representation o
   [rustworkx](https://github.com/Qiskit/rustworkx) and has implemented most
   language server features from scratch.
 </Note>
+<Info>
+  Codegen is open source. Check out the [source
+  code](https://github.com/codegen-sh/codegen-sdk) to learn more!
+</Info>
 
 ## The Codebase Graph
 
@@ -71,7 +75,7 @@ Currently, Codegen supports:
 
 We've started with these ecosystems but designed our architecture to be extensible. The graph-based approach provides a consistent interface across languages while handling language-specific details under the hood.
 
-## Join the Journey
+## Build with Us
 
 Codegen is just getting started, and we're excited about the possibilities ahead. We enthusiastically welcome contributions from the community, whether it's:
 
@@ -82,4 +86,4 @@ Codegen is just getting started, and we're excited about the possibilities ahead
 - Adding new transformations
 - Improving documentation
 
-Check out our [contribution guide](/introduction/community) to get involved!
+Check out our [community guide](/introduction/community) to get involved!

docs/introduction/overview.mdx

@@ -52,6 +52,11 @@ pip install codegen
 
 ## Get Started
 
+import {
+  COMMUNITY_SLACK_URL,
+  CODEGEN_SDK_GITHUB_URL,
+} from "/snippets/links.mdx";
+
 <CardGroup cols={2}>
   <Card
     title="Get Started"
@@ -63,18 +68,10 @@ pip install codegen
   <Card title="Tutorials" icon="diagram-project" href="/tutorials/at-a-glance">
     Learn how to use Codegen for common code transformation tasks.
   </Card>
-  <Card
-    title="View on GitHub"
-    icon="github"
-    href="https://github.com/codegen-sh/codegen-sdk"
-  >
+  <Card title="View on GitHub" icon="github" href={CODEGEN_SDK_GITHUB_URL}>
     Star us on GitHub and contribute to the project.
   </Card>
-  <Card
-    title="Join our Slack"
-    icon="slack"
-    href="https://join.slack.com/t/codegen-community/shared_invite/..."
-  >
+  <Card title="Join our Slack" icon="slack" href={COMMUNITY_SLACK_URL}>
     Get help and connect with the Codegen community.
   </Card>
 </CardGroup>

docs/snippets/links.mdx

@@ -0,0 +1,7 @@
+export const COMMUNITY_SLACK_URL = "https://community.codegen.com";
+
+export const CODEGEN_SDK_GITHUB_URL =
+  "https://github.com/codegen-sh/codegen-sdk";
+
+export const CODEGEN_SDK_EXAMPLES_GITHUB_URL =
+  "https://github.com/codegen-sh/codegen-examples";