add discord hook logics

- add ApiDiscordRoutes.kt
- modify HookCommand from RegisterCommand.kt

common/src/main/kotlin/space/mori/chzzk_bot/common/events/DiscordRegisterEvent.kt

@@ -0,0 +1,8 @@
+package space.mori.chzzk_bot.common.events
+
+class DiscordRegisterEvent(
+    val user: String,
+    val token: String,
+): Event {
+    val TAG = javaClass.simpleName
+}

common/src/main/kotlin/space/mori/chzzk_bot/common/services/UserService.kt

@@ -2,7 +2,6 @@ package space.mori.chzzk_bot.common.services
 
 import org.jetbrains.exposed.sql.SqlExpressionBuilder.eq
 import org.jetbrains.exposed.sql.transactions.transaction
-import org.jetbrains.exposed.sql.update
 import space.mori.chzzk_bot.common.models.User
 import space.mori.chzzk_bot.common.models.Users
 
@@ -76,18 +75,13 @@ object UserService {
         }
     }
 
-    fun updateLiveAlert(id: Int, guildId: Long, channelId: Long, alertMessage: String?): User {
+    fun updateLiveAlert(user: User, guildId: Long, channelId: Long, alertMessage: String?): User {
         return transaction {
-            val updated = Users.update({ Users.id eq id }) {
-                it[liveAlertGuild] = guildId
-                it[liveAlertChannel] = channelId
-                it[liveAlertMessage] = alertMessage ?: ""
-            }
+            user.liveAlertGuild = guildId
+            user.liveAlertChannel = channelId
+            user.liveAlertMessage = alertMessage ?: ""
 
-            if(updated == 0) throw RuntimeException("User not found! $id")
-            val users = User.find { Users.id eq id }
-
-            return@transaction users.first()
+            user
         }
     }
 }