feat: add niuzi bank commands

src/main/kotlin/cn/rtast/fancybot/entity/db/NiuziBankTable.kt

@@ -0,0 +1,26 @@
+/*
+ * Copyright © 2024 RTAkland
+ * Author: RTAkland
+ * Date: 2024/9/24
+ */
+
+
+package cn.rtast.fancybot.entity.db
+
+import org.jetbrains.exposed.sql.Table
+
+object NiuziBankTable: Table("niuzi_bank") {
+    val id = long("id").autoIncrement()
+    val userId = long("userId").uniqueIndex()
+    val timestamp = long("timestamp")
+    val balance = double("balance")
+    val interestRate = double("interest_rate")
+    override val primaryKey = PrimaryKey(id)
+}
+
+data class NiuziBankAccount(
+    val userId: Long,
+    val balance: Double,
+    val interestRate: Double,
+    val timestamp: Long
+)

src/main/kotlin/cn/rtast/fancybot/entity/db/NiuziTable.kt

@@ -9,7 +9,7 @@ package cn.rtast.fancybot.entity.db
 
 import org.jetbrains.exposed.sql.Table
 
-object NiuziTable : Table("niuzu") {
+object NiuziTable : Table("niuzi") {
     val length = double("length")
     val id = long("id").autoIncrement()
     val userId = long("userId").uniqueIndex()

src/main/kotlin/cn/rtast/fancybot/entity/db/SignTable.kt

@@ -1,19 +0,0 @@
-/*
- * Copyright © 2024 RTAkland
- * Author: RTAkland
- * Date: 2024/8/30
- */
-
-
-package cn.rtast.fancybot.entity.db
-
-import org.jetbrains.exposed.sql.Table
-
-object SignTable : Table("sign") {
-    val id = integer("id").autoIncrement()
-    val userId = long("userId").uniqueIndex()
-    val timestamp = long("timestamp")
-    val point = long("point")
-
-    override val primaryKey = PrimaryKey(id)
-}