Create root package.json aliasing scripts

This should ensure CI and pkgr.io continue working as expected.

Signed-off-by: Alex Coles <alex@alexbcoles.com>

package.json

@@ -0,0 +1,11 @@
+{
+  "name": "openproject",
+  "version": "0.1.0",
+  "scripts": {
+    "postinstall": "cd frontend && npm install",
+    "test": "cd frontend && npm test && cd ..",
+    "karma": "cd frontend && npm run karma && cd ..",
+    "protractor": "cd frontend && npm run protractor && cd .."
+  },
+  "private": true
+}