gist_map: Opens a full screen map after uploading a geojson file
In gistr: Work with 'GitHub' 'Gists'

Takes a gist object and a input geojson file name and renders fullscreen map

1	gist_map(x, browse = TRUE)

`x`	An object of class `gist` generated by `gist_create()` or `gist_create_obj()`
`browse`	Default: `TRUE`. Set to `FALSE` if you don't want to automatically browse to the URL.

## Not run: 
file <- system.file("examples", "ecoengine_eg.geojson", package = "gistr")
gist_id <- gist_create(file, browse = FALSE)
gist_map(gist_id)

## End(Not run)