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.controller.ts

@@ -190,13 +190,14 @@ export class AuthController {
   ) {
     this.logger.info('/auth - change-password');
 
-    const { oldPassword, newPassword } = body;
+    const { oldPassword, newPassword, totpCode } = body;
     const { authorization: accessToken } = headers;
 
     return this.authClient.changePassword({
       accessToken,
       oldPassword,
       newPassword,
+      totpCode,
     });
   }