docs: rename categories to be more descriptive

Author: artus9033

docs/docs/docs/api-reference/_meta.json

@@ -2,16 +2,16 @@
   {
     "type": "dir",
     "name": "react-native-brownfield",
-    "label": "ReactNativeBrownfield"
+    "label": "iOS & Android integration"
   },
   {
     "type": "dir",
-    "name": "brownfield-navigation.mdx",
-    "label": "BrownfieldNavigation"
+    "name": "brownfield-navigation",
+    "label": "Navigation"
   },
   {
     "type": "dir",
     "name": "brownie",
-    "label": "Brownie"
+    "label": "State Management"
   }
 ]

…nce/brownfield-navigation.mdx/_meta.json …ference/brownfield-navigation/_meta.jsondocs/docs/docs/api-reference/brownfield-navigation.mdx/_meta.json renamed to docs/docs/docs/api-reference/brownfield-navigation/_meta.json docs/docs/docs/api-reference/brownfield-navigation.mdx/_meta.json renamed to docs/docs/docs/api-reference/brownfield-navigation/_meta.json

@@ -10,5 +10,5 @@ Technically, the CLI itself is encapsulated in the `@callstack/brownfield-cli` p
 
 Please refer to the appropriate pages for detailed usage instructions for each of the ecosystem packages:
 
-- [`@callstack/react-native-brownfield` - Brownfield library commands](./brownfield)
-- [`@callstack/brownie` - Brownie state management library commands](./brownie)
+- [iOS & Android integration](./brownfield) — `@callstack/react-native-brownfield` commands
+- [State Management](./brownie) — `@callstack/brownie` commands