refactor: centralize coverage exclusions for scoverage across modules

modules/core/build.gradle.kts

@@ -9,6 +9,8 @@ version = "1.0-SNAPSHOT"
 
 @Suppress("UNCHECKED_CAST")
 val versions = rootProject.extra["VERSIONS"] as Map<String, String>
+@Suppress("UNCHECKED_CAST")
+val scoverageExcluded = rootProject.extra["SCOVERAGE_EXCLUDED"] as List<String>
 
 repositories {
     mavenCentral()
@@ -20,9 +22,7 @@ scala {
 
 scoverage {
     scoverageVersion.set(versions["SCOVERAGE"]!!)
-    excludedFiles.set(listOf(
-        ".*GameResource\\.scala"
-    ))
+    excludedFiles.set(scoverageExcluded)
 }
 
 tasks.withType<ScalaCompile> {