How to access the content of /apple-app-site-association in Ember.js?

I got tricky quesiton. How would I get the content of a file if access this url https://www.someUrl.com/app-app-site-association and once the url is entered on the browser the content below will show?

{
  "applinks": {
    "apps": [],
      "details": [
        {
        "appID": "9F33946S35.foo.bar.baz",
        "paths": ["*"]
        }
    ]
  }
}