add default values for BaseFeature

Author: westnordost

src/commonMain/kotlin/de/westnordost/osmfeatures/BaseFeature.kt

@@ -5,21 +5,21 @@ data class BaseFeature(
     override val id: String,
     override val tags: Map<String, String>,
     override val geometry: List<GeometryType>,
-    override val icon: String?,
-    override val imageURL: String?,
+    override val icon: String? = null,
+    override val imageURL: String? = null,
     override val names: List<String>,
-    override val terms: List<String>,
-    override val includeCountryCodes: List<String>,
-    override val excludeCountryCodes: List<String>,
-    override val isSearchable: Boolean,
-    override val matchScore: Float,
-    override val isSuggestion: Boolean,
-    override val addTags: Map<String, String>,
-    override val removeTags: Map<String, String>,
-    override val preserveTags: List<Regex>,
-    override val tagKeys: Set<String>,
-    override val addTagKeys: Set<String>,
-    override val removeTagKeys: Set<String>
+    override val terms: List<String> = listOf(),
+    override val includeCountryCodes: List<String> = listOf(),
+    override val excludeCountryCodes: List<String> = listOf(),
+    override val isSearchable: Boolean = true,
+    override val matchScore: Float = 1f,
+    override val isSuggestion: Boolean = false,
+    override val addTags: Map<String, String> = tags,
+    override val removeTags: Map<String, String> = addTags,
+    override val preserveTags: List<Regex> = listOf(),
+    override val tagKeys: Set<String> = setOf(),
+    override val addTagKeys: Set<String> = tagKeys,
+    override val removeTagKeys: Set<String> = addTagKeys
 ): Feature {
     override val canonicalNames: List<String> = names.map { it.canonicalize() }
     override val canonicalTerms: List<String> = terms.map { it.canonicalize() }