feat: init project and add user module

src/common/utils/index.ts

@@ -0,0 +1,7 @@
+import * as StringUtils from './string-utils';
+
+const Utils = {
+  StringUtils,
+};
+
+export default Utils;

src/common/utils/string-utils.ts

@@ -0,0 +1,9 @@
+export const normalizePhone = (phone: string): string => {
+  phone = phone.replace(/\D/g, '');
+
+  if (phone.startsWith('9')) {
+    return '0' + phone;
+  }
+
+  return phone;
+};