Update documentation from template (#679)

Co-authored-by: Andrew Suderman <andy@fairwinds.com>

README.md

@@ -70,8 +70,9 @@ and network with fellow Kubernetes users.
 or
 [join the user group](https://www.fairwinds.com/open-source-software-user-group) to get involved!
 
-<a href="https://www.fairwinds.com/t-shirt-offer?utm_source=reckoner&utm_medium=reckoner&utm_campaign=reckoner-tshirt">
-  <img src="https://www.fairwinds.com/hubfs/Doc_Banners/Fairwinds_OSS_User_Group_740x125_v6.png" alt="Love Fairwinds Open Source? Share your business email and job title and we'll send you a free Fairwinds t-shirt!" />
+<a href="https://insights.fairwinds.com/auth/register/">
+  <img src="https://www.fairwinds.com/hubfs/Doc_Banners/Fairwinds_OSS_User_Group_740x125_v6.png"
+  alt="Love Fairwinds Open Source? Automate Fairwinds Open Source for free with Fairwinds Insights. Click to learn more" />
 </a>
 
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