Fix styled components typing

Author: Ronny Rook

package-lock.json

@@ -45,6 +45,7 @@
     "@types/react": "17.0.39",
     "@types/react-native": "0.66.16",
     "@types/styled-components": "5.1.23",
+    "@types/styled-components-react-native": "^5.1.3",
     "@typescript-eslint/eslint-plugin": "5.12.1",
     "@typescript-eslint/parser": "5.12.1",
     "babel-eslint": "10.1.0",

package.json

@@ -0,0 +1,9 @@
+import 'styled-components';
+
+import theme from './theme';
+
+type Theme = typeof theme;
+
+declare module 'styled-components' {
+  export interface DefaultTheme extends Theme {}
+}