added reset to TermWriteable

src/kernel/MainTerm.hx

@@ -94,4 +94,11 @@ class MainTerm implements TermWriteable {
 	public function isColor():Bool {
 		return Term.isColor();
 	}
+
+	public function reset() {
+		this.setBackgroundColor(Black);
+		this.setTextColor(White);
+		this.clear();
+		this.setCursorPos(0,0);
+	}
 }

src/kernel/peripherals/Screen.hx

@@ -108,4 +108,11 @@ class Screen implements TermWriteable implements IPeripheral {
 	public function isColor():Bool {
 		return nativ.isColor();
 	}
+
+	public function reset() {
+		this.setBackgroundColor(Black);
+		this.setTextColor(White);
+		this.clear();
+		this.setCursorPos(0,0);
+	}
 }

src/kernel/ui/TermBuffer.hx

@@ -166,4 +166,11 @@ class TermBuffer implements TermWriteable {
 	public function isColor():Bool {
 		throw new haxe.exceptions.NotImplementedException();
 	}
+
+	public function reset() {
+		this.setBackgroundColor(Black);
+		this.setTextColor(White);
+		this.clear();
+		this.setCursorPos(0,0);
+	}
 }

src/kernel/ui/WindowContext.hx

@@ -124,4 +124,8 @@ class WindowContext implements TermWriteable {
 	public function isColor():Bool {
 		return writer.isColor();
 	}
+
+	public function reset() {
+		writer.reset();
+	}
 }

src/lib/TermWriteable.hx

@@ -36,4 +36,9 @@ interface TermWriteable {
 	public function isColor():Bool;
 	// setPaletteColor(...)
 	// getPaletteColor(colour)
+
+	/**
+		Clears the screen, resetes the courser to (0,0) and resetes the color to Black and White.
+	**/
+	public function reset():Void;
 }