download gitlab repo given file for some use, for example configure
const getCfg = require('getgitlabcfg');
getCfg({
token: 'xxx', //gitlab token
host: 'http://git.xxx.com', //gitlab host
projectId: 'xxxx',
src: 'xxx/xxx/xxx.js', //repo file path
branch: 'master',
dist: './config.js'
});