docs: clarify Pro-plan notice for OSS (#368)

Signed-off-by: electricplayer <[email protected]>

Author: hardikkgupta

src/components/ProPlanNotice.mdx

@@ -2,6 +2,9 @@
 
 :::info Pro Plan Feature
 
-This feature is available exclusively as part of the Pro plan and is not included in the Lite plan. Please refer to our [pricing page](https://www.coderabbit.ai/pricing) for more information about our plans and features.
+This feature is part of the **Pro plan** and not included in the Lite plan.  
+However, **public open-source repositories get every Pro-tier feature for free**.  
+Learn more in our [introduction](../overview/introduction) and see the full comparison
+on the [pricing page](https://www.coderabbit.ai/pricing).
 
 :::