feat: delete "deleteSession" method, validate questId and sessionId

server/src/api/controllers/questController.js

@@ -1,4 +1,5 @@
 import { Quest } from '@linux-odyssey/models'
+import { matchedData } from 'express-validator'
 
 export async function getQuests(req, res) {
   const quests = await Quest.find({}).sort({ order: 1 })
@@ -12,8 +13,8 @@ export async function getQuests(req, res) {
 }
 
 export async function getQuestDetail(req, res) {
-  const { id } = req.params
-  const quest = await Quest.findById(id)
+  const { questId } = matchedData(req)
+  const quest = await Quest.findById(questId)
   if (!quest) {
     res.status(404).json({ message: 'Quest not found.' })
     return