added debugging tips

Author: soheimam

docs/base-app/guides/search-and-discovery.mdx

@@ -97,6 +97,9 @@ This section highlights mini apps with high current engagement across the Base A
 <Frame caption="App Categories">
 <img src="/images/minikit/categories.jpg" alt="app categories"   height="100"/>
 </Frame>
+<Warning>
+Choose your primaryCategory carefully as it determines where your app appears in Base App's category browsing. Available categories are: games, social, finance, utility, productivity, developer-tools, and art-creativity
+</Warning>
 
 **Purpose:** Browsable directory organized by interest and use case