export the theme provider

src/contexts/index.ts

@@ -1,9 +1,12 @@
-import AuthContext, { AuthProvider } from "./authcontext";
-import TimeContext, { TimeProvider } from "./timecontext";
+import AuthContext, { AuthProvider } from './authcontext';
+import ThemeContext, { ThemeProvider } from './themecontext';
+import TimeContext, { TimeProvider } from './timecontext';
 
 export {
   AuthContext,
   AuthProvider,
+  ThemeContext,
+  ThemeProvider,
   TimeContext,
   TimeProvider
 };