Create simple build script

Author: jasonmccreary

box.json

@@ -4,9 +4,6 @@
         "vendor",
         "config"
     ],
-    "files": [
-        "composer.json"
-    ],
     "main": "shift-cli",
     "output": "builds/shift-cli",
     "compression": "GZ",

build.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env sh
+
+# This script builds the PHAR using Box.
+# It copies over the Composer files to
+# avoid any assumed references by Box.
+#
+# Assumes Box is installed globally.
+
+mv composer-dev.json composer.json
+rm -rf vendor composer.lock
+composer update --no-dev
+box compile --no-parallel
+git add builds/shift-cli
+git commit -m "Build PHAR"
+git push origin HEAD
+git checkout .