add password reset

apps/backend/src/lib/crypto.ts

@@ -1,5 +1,17 @@
 import * as crypto from 'crypto';
+import * as argon2 from 'argon2';
 
-export function generateSecureToken(length = 32) {
+export function generateSecureToken(length = 32): string {
   return crypto.randomBytes(length).toString('hex');
 }
+
+export function hashPassword(password: string): Promise<string> {
+  return argon2.hash(password);
+}
+
+export function verifyPassword(
+  passwordHash: string,
+  clearTextPassword: string,
+): Promise<boolean> {
+  return argon2.verify(passwordHash, clearTextPassword);
+}