fix: add import React to component files

src/provider.tsx

@@ -1,4 +1,4 @@
-import { PropsWithChildren, useState } from "react";
+import React, { PropsWithChildren, useState } from "react";
 import {
   useWindowDimensions,
   ColorSchemeName,

src/styled.tsx

@@ -1,4 +1,4 @@
-import {
+import React, {
   createElement,
   FunctionComponent,
   ComponentClass,