✨ feat(StringOrDefault): add JvmField annotation to USE_DEFAULT constant

Author: twisti-dev

surf-api-core/surf-api-core/src/main/kotlin/dev/slne/surf/api/core/config/type/StringOrDefault.kt

@@ -34,6 +34,7 @@ data class StringOrDefault private constructor(val value: String?) {
     companion object {
         private const val DEFAULT_MARKER = "__default__"
 
+        @JvmField
         val USE_DEFAULT = StringOrDefault(null)
 
         fun of(value: String) = StringOrDefault(value)