updated install script

scripts/mac-linux/install

@@ -5,4 +5,14 @@ cd -- "$( dirname -- "${BASH_SOURCE[0]}" )"
 cd ../..
 
 #run
-npm install
+npm install
+
+#discord token
+[ ! -f "token" ] && touch "token"
+
+if [ ! -s "token" ]
+then
+    printf "Enter your discord bot token: "
+    read token
+    printf $token > "token"
+fi