[Fixes #2055] Add compile:dev script using MAPSTORE_COMPILE_DEV=true for debug-friendly production builds (#2056)

* [Fixes #2055] Add compiledev script using MAPSTORE_DEV=true for debug-friendly production builds

* Rename MAPSTORE_DEV > MAPSTORE_COMPILE_DEV

* Use namespace for compile:dev script

Author: marlowp

geonode_mapstore_client/client/package.json

@@ -17,6 +17,7 @@
   },
   "scripts": {
     "compile": "mapstore-project compile && node postCompile",
+    "compile:dev": "MAPSTORE_COMPILE_DEV=true mapstore-project compile && node postCompile",
     "start": "mapstore-project start",
     "test": "mapstore-project test",
     "test:watch": "mapstore-project test:watch",