Add partner program to introduction

Author: TrentinTheKid

index.mdx

@@ -13,6 +13,7 @@ Our objective is to equip developers with all the tools, information, and resour
 - [🗺️ ServerMappings](https://www.lunarclient.dev/server-mappings/introduction) - This section contains documentation for our open collection of Server Mappings. The Server Mappings documentation will provide you with all the information you'll need to contribute to Server Mappings.
 - [🔗 Deep Links](https://lunarclient.dev/deep-links/introduction) - This section contains documentation for our built in launcher deep links. This documentation will provide you with the knownledge to send deep links to users.
 - [ℹ️ Client Brand](https://lunarclient.dev/client-brand) - This section contains documentation about Lunar Client's brand. The Client Brand documentation will provide you with all the information you'll need to detect and understand Lunar Client's brand.
+- [🤝 Server Partner Program](https://lunarclient.dev/server-partner-program/purchase-webhooks) - This section contains documentation for servers that are a part of Lunar Client's partner program in some capacity
 
 ### Useful Links