remove having to press enter in menus and OTP input

bml-cli

@@ -527,7 +527,7 @@ echo "5 - Services"
 echo "6 - Settings"
 echo ""
 printf 'Please Input: '
-read -r MENU
+read -n 1 -r MENU
 
 	if [ "$MENU" = "1" ]
         then
@@ -585,7 +585,7 @@ contacts_menu(){
 	echo "x - Go back"
 	echo ""
 	printf 'Please Input: '
-read -r CONTACTS
+read -n 1 -r CONTACTS
 
 if [ "$CONTACTS" = "1" ] || ["$CONTACTS" = "transfer" ]
 then
@@ -629,7 +629,7 @@ change_password(){
 	echo "1 - Mobile"
 	echo "2 - Email"
 	echo ""
-	read -p "Please input: " OTPCHANNEL
+	read -n 1 -p "Please input: " OTPCHANNEL
 
 	if [ "$OTPCHANNEL" = "1" ] || [ "$OTPCHANNEL" = "mobile" ]
 	then
@@ -678,7 +678,7 @@ change_password(){
 		--data-raw channel=$OTPCHANNEL > /dev/null
 
 	echo ${lightgreen}OTP sent to ${yellow}${ECHOOTPCHANNEL}${reset}
-	read -p 'Enter OTP: ' OTP
+	read -n 6 -p 'Enter OTP: ' OTP
 	CHANGEPASSWORD=$(curl -s -b $COOKIE $BML_URL/user/changepassword \
 		--data-raw currentPassword=$OLD_PASSWORD \
 		--data-raw newPassword=$NEW_PASSWORD \
@@ -726,7 +726,7 @@ settings(){
 	echo "3 - Change Password"
 	echo ""
 	printf 'Please Input: '
-	read -r SETTINGS
+	read -n 1 -r SETTINGS
 
 	if [ "$SETTINGS" = "1" ]
 	then