Add react-native-custom-splash to directory (#2086)

Author: vijaykishan312

react-native-libraries.json

@@ -18876,5 +18876,14 @@
     "web": true,
     "expoGo": true,
     "newArchitecture": true
+  },
+  {
+    "githubUrl": "https://github.com/vijaykishan312/react-native-custom-splash",
+    "ios": true,
+    "android": true,
+    "expoGo": true,
+    "examples": [
+      "https://github.com/vijaykishan312/react-native-custom-splash/tree/main/example"
+    ]
   }
 ]