bug fix (There is a small bug on inputBox again)

isKey/key.go

@@ -0,0 +1,33 @@
+package isKey
+
+func Enter(s string) bool {
+	return s == "\r"
+}
+
+func Tab(s string) bool {
+	return s == "\t"
+}
+
+func Backspace(s string) bool {
+	return s == "\x7f" || s == "\b"
+}
+
+func Escape(s string) bool {
+	return s == "\x1b"
+}
+
+func Up(s string) bool {
+	return s == "\x1b[A"
+}
+
+func Down(s string) bool {
+	return s == "\x1b[B"
+}
+
+func Right(s string) bool {
+	return s == "\x1b[C"
+}
+
+func Left(s string) bool {
+	return s == "\x1b[D"
+}