Refactor PlatformSpecific, update MonTanaMiniComputer and MTMCDisplay logic, add splash screen rendering with SplashData, and optimize observer calls and color initialization.

src/jsMain/kotlin/mtmc/Main.kt

@@ -11,12 +11,14 @@ val mainView = MTMCView(computer)
 val display = DisplayView(computer)
 
 fun main() {
-  computer.speed = 2000000 // default to 1hz
+  computer.speed = 1000000
   computer.load(lifeCode, lifeData)
+  //computer.load(snakeCode, snakeData)
 
   Komponent.create(document.body!!, mainView)
 
   computer.start()
 
   mainView.requestUpdate()
+  display.requestUpdate()
 }