Add task to unzip SDL2 headers in klang project

Added a task 'unzipSDL2' to the build.gradle.kts file in the klang project that unzips SDL2 headers required for testing. Also updated the .gitignore to exclude these unzipped files from version control. This builds a foundation for more extensive integration testing in the future.

klang/klang/.gitignore

@@ -41,3 +41,7 @@ bin/
 ### Mac OS ###
 .DS_Store
 /*.log
+
+
+## use to integration ##
+/src/test/c/SDL2/

klang/klang/build.gradle.kts

@@ -35,8 +35,16 @@ dependencies {
 	testImplementation(libs.kotest)
 }
 
+task<Copy>("unzipSDL2") {
+	val cSourceDir = "$projectDir/src/test/c/"
+	val zipTree = zipTree(file("${cSourceDir}SDL2-headers.zip"))
+	from(zipTree)
+	into(cSourceDir)
+}
+
 tasks.withType<JavaCompile>().configureEach {
 	options.compilerArgs.add("--enable-preview")
+	dependsOn("unzipSDL2")
 }
 
 tasks.withType<Test>().configureEach {