Implement remaining handlers and fix admin login

- Fix admin login bcrypt hash in database migrations
- Add static data handler (GET /api/static_data/, POST /api/static_data/refresh/)
- Add user handler (list users, get user, list profiles in shared residences)
- Add generate tasks report endpoint for residences
- Remove all placeholder handlers from router
- Add seeding documentation to README

New files:
- internal/handlers/static_data_handler.go
- internal/handlers/user_handler.go
- internal/services/user_service.go
- internal/dto/responses/user.go

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

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

internal/repositories/residence_repo.go

@@ -308,3 +308,17 @@ func (r *ResidenceRepository) FindResidenceTypeByID(id uint) (*models.ResidenceT
 	}
 	return &residenceType, nil
 }
+
+// GetTasksForReport returns all tasks for a residence with related data for report generation
+func (r *ResidenceRepository) GetTasksForReport(residenceID uint) ([]models.Task, error) {
+	var tasks []models.Task
+	err := r.db.
+		Preload("Category").
+		Preload("Priority").
+		Preload("Status").
+		Preload("Completions").
+		Where("residence_id = ?", residenceID).
+		Order("due_date ASC NULLS LAST, created_at DESC").
+		Find(&tasks).Error
+	return tasks, err
+}