set up hlaeja account registry

src/main/kotlin/ltd/hlaeja/Application.kt

@@ -1,8 +1,13 @@
 package ltd.hlaeja
 
+import ltd.hlaeja.property.AccountRegistryProperty
 import org.springframework.boot.autoconfigure.SpringBootApplication
+import org.springframework.boot.context.properties.EnableConfigurationProperties
 import org.springframework.boot.runApplication
 
+@EnableConfigurationProperties(
+    AccountRegistryProperty::class,
+)
 @SpringBootApplication
 class Application
 

src/main/kotlin/ltd/hlaeja/property/AccountRegistryProperty.kt

@@ -0,0 +1,8 @@
+package ltd.hlaeja.property
+
+import org.springframework.boot.context.properties.ConfigurationProperties
+
+@ConfigurationProperties(prefix = "account-registry")
+data class AccountRegistryProperty(
+    val url: String,
+)