[build] Added shell script to compile the project.

build/Compile.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+#set -e
+
+CUR_DIR=$(cd "$(dirname "$0")"; pwd)
+
+if [ "$(uname)" == "Darwin" ]; then
+	PREMAKE=$CUR_DIR/../external/CppSharp/build/premake5-osx;
+elif [ "$(expr substr $(uname -s) 1 5)" == "Linux" ]; then
+	PREMAKE=$CUR_DIR/../external/CppSharp/build/premake5-linux-64;
+fi
+
+BUILD_CONF=release
+
+$PREMAKE --file=$CUR_DIR/premake5.lua gmake
+config=$BUILD_CONF make -C $CUR_DIR/gmake/
+
+BUILD_CONF_DIR="$(tr '[:lower:]' '[:upper:]' <<< ${BUILD_CONF:0:1})${BUILD_CONF:1}"
+BUILD_DIR=$CUR_DIR/gmake/lib/$BUILD_CONF_DIR