add examples

Author: DenysKuchma

lib/utils/loaderCheck.js

@@ -121,6 +121,14 @@ export function getTSNodeESMWarning(requiredModules = []) {
 
 This is a known limitation. Use tsx/cjs instead to write imports without extensions.
 
+Examples:
+
+  ❌ Incorrect (will fail):
+     import loginPage from "./pages/Login";
+
+  ✅ Correct (must include .ts extension):
+     import loginPage from "./pages/Login.ts";
+
 📚 Documentation: https://codecept.io/typescript
 
 `