feat: add TipoEvento entity and related functionality

- Introduced TipoEvento entity with enum for event types.
- Created DTOs for creating and updating TipoEvento.
- Implemented TipoEvento service with methods for CRUD operations and seeding initial data.
- Added TipoEvento controller for handling HTTP requests related to event types.
- Integrated TipoEvento into the main application module.
- Updated Evento entity to include a relationship with TipoEvento.
- Enhanced ParticipanteEvento service to register attendance using QR tokens.
- Implemented QR token generation and validation for event attendance.
- Updated API documentation for new endpoints and functionalities.
- Adjusted TypeOrm configuration to include new entities.

src/auth/guards/jwt-validation.guard.ts

@@ -0,0 +1,52 @@
+import {
+  CanActivate,
+  ExecutionContext,
+  Injectable,
+  UnauthorizedException,
+} from '@nestjs/common';
+import { JwtService } from '@nestjs/jwt';
+import { AdministradorService } from 'src/administrador/administrador.service';
+
+@Injectable()
+export class JwtValidationGuard implements CanActivate {
+  constructor(
+    private jwtService: JwtService,
+    private administradorService: AdministradorService,
+  ) {}
+
+  async canActivate(context: ExecutionContext): Promise<boolean> {
+    const request = context.switchToHttp().getRequest();
+    const authHeader = request.headers.authorization;
+
+    if (!authHeader) {
+      throw new UnauthorizedException('Token no proporcionado');
+    }
+
+    const token = authHeader.split(' ')[1];
+
+    try {
+      const decodedToken = this.jwtService.verify(token, {
+        secret: process.env.JWT_SECRET,
+      });
+
+      const administrador = await this.administradorService.getAdminById(
+        decodedToken.sub,
+      );
+
+      if (!administrador) {
+        throw new UnauthorizedException('Usuario no encontrado');
+      }
+
+      request.user = administrador;
+    } catch (error) {
+      if (error.name === 'TokenExpiredError') {
+        throw new UnauthorizedException(
+          `La sesión ha expirado, inicia sesión nuevamente.`,
+        );
+      }
+      throw new UnauthorizedException('Token inválido');
+    }
+
+    return true;
+  }
+}