Showing local (chinese) name on map

[debuggingfuture]

As in mapbox/mapbox-gl-styles#81, it is patched to use english for all places and RTL language(e.g. arabic) cannot be handled
To show chinese name for HK, patch the style config to use for name} instead of {name_en} for @name

original
https://github.com/mapbox/mapbox-gl-styles/blob/eee56ca964ddc555ccdc73062b414de5caf1da65/styles/outdoors-v7.json

overrided
https://github.com/code4hk/hike4hk-web/blob/master/data/outdoors-v7-customized.json