fixing up default github usernames and updating readme with info abou…

…t github access token

README.md

@@ -48,6 +48,13 @@ bit --open {searchTerm}
 
 The `searchTerm` argument is optional. If no `searchTerm` is given, then bitcar will attempt to open the current directory's repo in the browser.
 
+## Github personal access token settings
+
+If you'd like to use bitcar with your private repos, you'll need to setup a
+[personal access token on your github
+account](https://github.com/settings/tokens/new). Please ensure you've set the
+correct scope for this token. The `repo` scope should be fully enabled.
+
 ## license
 
 Apache 2.0

setup.js

@@ -45,7 +45,7 @@ function setup() {
             type: 'input',
             name: 'githubUsernames',
             message: 'Please type the github usernames OTHER THAN YOUR OWN which you want bitcar to track (comma separated, no spaces):',
-            default: 'carsdotcom,machellerogden',
+            default: '',
             when: (answers) => answers.addGithub
         },
         {