FEAT: add TOTP support for change password and local build support

- Pass TOTP code to DUC for Keycloak users with MFA
- Add Dockerfile.local for local protospack builds
- Add .dockerignore to exclude node_modules from Docker context

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/modules/auth/auth.service.ts

@@ -143,6 +143,7 @@ export class AuthClientService implements OnModuleInit {
     accessToken,
     oldPassword,
     newPassword,
+    totpCode,
   }: AuthChangePasswordRequest) {
     this.logger.info('ChangePassword');
 
@@ -151,6 +152,7 @@ export class AuthClientService implements OnModuleInit {
         accessToken,
         oldPassword,
         newPassword,
+        totpCode,
       }),
     );
   }