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);
+	}
 }