add player name user input

and add shebang

unix/mc_start.sh

@@ -1,5 +1,9 @@
+#!/bin/sh
 echo -ne "\033]2;Minecraft Launcher\007"
 
+# Set username
+read -p "What username would you like?: " player
+
 # A minecraft root directory
 MC_DIR=~/.minecraft
 
@@ -19,7 +23,7 @@ GAME_VERSION=1.16.5
 NATIVES_DIR=$MC_DIR/bin/$GAME_VERSION
 
 # Player name
-PLAYER_NAME=Steve
+PLAYER_NAME=$player
 
 # Game window resolution
 WINDOW_W=800