Add 9-patch sample

ninepatch/.gitignore

@@ -0,0 +1 @@
+/build

ninepatch/build.gradle.kts

@@ -0,0 +1,7 @@
+import com.soywiz.korge.gradle.*
+
+apply<KorgeGradlePlugin>()
+
+korge {
+	id = "com.soywiz.samples.ninepatch"
+}

ninepatch/src/commonMain/kotlin/main.kt

@@ -0,0 +1,21 @@
+import com.soywiz.kmem.*
+import com.soywiz.korge.*
+import com.soywiz.korge.input.*
+import com.soywiz.korge.view.*
+import com.soywiz.korim.bitmap.*
+import com.soywiz.korim.color.*
+import com.soywiz.korio.file.std.*
+
+suspend fun main() = Korge(width = 512, height = 512, bgcolor = Colors["#2b2b2b"]) {
+	val ninePath = resourcesVfs["image.9.png"].readNinePatch()
+
+	val np = ninePatch(ninePath, 320.0, 32.0) {
+		position(100, 100)
+	}
+	np.mouse {
+		moveAnywhere {
+			np.width = it.currentPosLocal.x.clamp(16.0, 1000.0)
+			np.height = it.currentPosLocal.y.clamp(16.0, 1000.0)
+		}
+	}
+}