add helpcontroller and help repository TODO:fix probleme with allHelpRequest route

	@ManyToOne

	private Poulain poulain;

	// dateS

	// matière

	// commentaire

	public HelpRequest() {

	}

	public void setId(Integer id) {

		this.id = id;

	}

}

package com.example.demo;

import java.util.Map;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.GetMapping;

import com.example.demo.HelpRequestRepository;

@Controller

public class HelpRequestController {

	@Autowired 

	HelpRequestRepository helpRequestRepository;

    @Autowired 

    @GetMapping("/allHelpRequest")

	public String getAll(Map<String, Object> model) {

		model.put("helpRequests", helpRequestRepository.findAll());

		return "allHelpRequest";

	}

}

package com.example.demo;

import org.springframework.data.jpa.repository.JpaRepository;

import com.example.demo.HelpRequest;

public interface HelpRequestRepository extends JpaRepository <HelpRequest, Long>  {

}

import javax.persistence.GeneratedValue;

import javax.persistence.GenerationType;

import javax.persistence.Id;

import javax.persistence.OneToMany;

import javax.persistence.Table;

import java.util.Set;

import javax.persistence.CascadeType;

@Entity

@Table(name = "mentor")

public class Mentor {

import org.springframework.web.bind.annotation.ModelAttribute;

import org.springframework.web.bind.annotation.PostMapping;

import com.example.demo.*;

@Controller

public class MentorController {