fix: don't depend on react-native at runtime

This causes issues in projects without the react-native dependency. For example, normal Next.js projects or even backend-only projects. Turns out Stashy can be used for more than just the examples!

src/utils.ts

@@ -1,7 +1,16 @@
 /**
  * © 2023 WavePlay <dev@waveplay.com>
  */
-import { Platform } from 'react-native'
+import { createRequire } from 'module'
+
+const require = createRequire(import.meta.url)
+
+let Platform: any
+try {
+	Platform = require('react-native').Platform
+} catch (e) {
+	Platform = { OS: 'web' }
+}
 
 export function isNative(): boolean {
 	return Platform.OS === 'android' || Platform.OS === 'ios'