Add Account

- add addAccount to AccountController
- add account request toAccountEntity to Mapping.kt
- add addAccount to AccountService

src/main/kotlin/ltd/hlaeja/util/Mapping.kt

@@ -1,8 +1,10 @@
 package ltd.hlaeja.util
 
+import java.time.ZonedDateTime
 import ltd.hlaeja.entity.AccountEntity
 import ltd.hlaeja.library.accountRegistry.Account
 import org.springframework.http.HttpStatus.EXPECTATION_FAILED
+import org.springframework.security.crypto.password.PasswordEncoder
 import org.springframework.web.server.ResponseStatusException
 
 fun AccountEntity.toAccountResponse(): Account.Response = Account.Response(
@@ -13,3 +15,14 @@ fun AccountEntity.toAccountResponse(): Account.Response = Account.Response(
     roles.split(","),
 )
 
+fun Account.Request.toAccountEntity(
+    passwordEncoder: PasswordEncoder,
+): AccountEntity = AccountEntity(
+    id = null,
+    createdAt = ZonedDateTime.now(),
+    updatedAt = ZonedDateTime.now(),
+    enabled = enabled,
+    username = username,
+    password = passwordEncoder.encode(password),
+    roles = roles.joinToString(","),
+)