term: add clear

vlib/os/os.v

@@ -871,14 +871,6 @@ pub fn write_file(path, text string) {
 	f.close()
 }
 
-// clear clears current terminal screen.
-pub fn clear() {
-	$if !windows {
-		C.printf('\x1b[2J')
-		C.printf('\x1b[H')
-	}
-}
-
 pub fn on_segfault(f voidptr) {
 	$if windows {
 		return

vlib/term/term.v

@@ -75,3 +75,11 @@ fn supports_escape_sequences(fd int) bool {
 		return is_atty(fd) > 0 && os.getenv('TERM') != 'dumb'
 	}
 }
+
+// clear clears current terminal screen.
+pub fn clear() {
+	$if !windows {
+		C.printf('\x1b[2J')
+		C.printf('\x1b[H')
+	}
+}