fix: Further Improve compatibility of tsconfig.json (#372)

Turn off allowSyntheticDefaultImports, which not all consumers are guaranteed to
have. This requires changing

```ts
import PropTypes from 'prop-types'
```

to

```ts
import * as PropTypes from 'prop-types'
```

Author: sandersn

src/modal.tsx

@@ -15,7 +15,7 @@ import {
   View,
   ViewStyle,
 } from 'react-native';
-import PropTypes from 'prop-types';
+import * as PropTypes from 'prop-types';
 import * as animatable from 'react-native-animatable';
 import {Animation, CustomAnimation} from 'react-native-animatable';
 

tsconfig.json

@@ -8,7 +8,7 @@
   ],
   "compilerOptions": {
     "lib": ["es5", "es6", "esnext.asynciterable"],
-    "allowSyntheticDefaultImports": true,
+    "allowSyntheticDefaultImports": false,
     "esModuleInterop": false,
     "jsx": "react",
     "moduleResolution": "node",