app loads configuration from json at runtime

src/commonMain/kotlin/Config.kt

@@ -0,0 +1,44 @@
+package org.example
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class Config(
+    val osmData: OsmDataConfig,
+    val projection: ProjectionConfig,
+    val output: OutputConfig
+)
+
+@Serializable
+data class OsmDataConfig(
+    val useLocalExtract: Boolean,
+    val localFilePath: String,
+    val boundingBox: BoundingBoxConfig,
+    val overpassTimeout: Int
+)
+
+@Serializable
+data class BoundingBoxConfig(
+    val south: Double,
+    val west: Double,
+    val north: Double,
+    val east: Double,
+    val description: String
+)
+
+@Serializable
+data class ProjectionConfig(
+    val origin: OriginConfig
+)
+
+@Serializable
+data class OriginConfig(
+    val latitude: Double,
+    val longitude: Double
+)
+
+@Serializable
+data class OutputConfig(
+    val fileName: String,
+    val autoOpen: Boolean
+)