Add script to download dependencies before buiding

Author: fauzanzaid

download_dependencies.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+rm -rf ext
+
+export GIT_TERMINAL_PROMPT=0
+
+echo -n 'Downloading LinkedList ' ;	git clone -b v0.1.0 --depth=1 https://github.com/fauzanzaid/Linked-List-in-C ./ext/LinkedList			&> /dev/null && { echo 'done' ; } || { echo 'failed' ; exit 1; }
+echo -n 'Downloading Token ' ;		git clone -b v0.1.0 --depth=1 https://github.com/fauzanzaid/Compiler-Token-in-C ./ext/Token			&> /dev/null && { echo 'done' ; } || { echo 'failed' ; exit 1; }