Require the config as CLI arg for watch, build and production-build

The mqtt control map now loads the config provided via cli. It is no longer required to modify the src/config.js to load a different config.

config/entropia.js

@@ -60,4 +60,4 @@ const config : Config = {
   ]
 };
 
-export default config;
+window.config = config;

config/rzl.js

@@ -533,4 +533,4 @@ const config : Config = {
   ]
 };
 
-export default config;
+window.config = config;