Fix links in components api.json

Author: ethanshar

src/components/gridList/gridList.api.json

@@ -3,6 +3,7 @@
   "category": "layoutsAndTemplates",
   "description": "An auto-generated grid list that calculate item size according to given props",
   "extends": ["FlatList"],
+  "extendsLink": ["https://reactnative.dev/docs/flatlist"],
   "example": "https://github.com/wix/react-native-ui-lib/blob/master/demo/src/screens/componentScreens/GridListScreen.tsx",
   "props": [
     {"name": "numColumns", "type": "number", "description": "Number of items to show in a row (ignored when passing maxItemWidth)"},

src/components/sortableGridList/sortableGridList.api.json

@@ -3,7 +3,7 @@
   "category": "layoutsAndTemplates",
   "description": "An sortable grid list (based on GridList component)",
   "notes": "This component supports square items only",
-  "extends": ["GridList"],
+  "extends": ["layoutsAndTemplates/GridList"],
   "example": "https://github.com/wix/react-native-ui-lib/blob/master/demo/src/screens/componentScreens/SortableGridListScreen.tsx",
   "props": [
     {"name": "data", "type": "any[]", "description": "Data of items"},