"post.enable": {
  "type": "boolean",
  "default": true,
  "description": "enable this extension?"
},
"post.detect": {
  "type": "boolean",
  "default": true,
  "description": "is enable detect filetype for *.post file"
},
"post.root": {
  "type": "string",
  "default": "~/.coc-post",
  "description": "directory to save post file with post.new command"
},
"post.agent": {
  "type": "string",
  "default": "",
  "description": "Proxy agent, format like: http://168.63.76.32:3128"
}