Remove misc files, add root permission, and update env template

app/controllers/api/v1/Auth.controller.js

@@ -76,7 +76,20 @@ class AuthController extends Controller {
             trap: 'password_reset', // Force user to reset password
         })
 
-        user.promote('base_user')
+        const Setting = this.models.get('Setting')
+        try {
+            const default_roles = await Setting.get('auth.default_roles')
+            if ( Array.isArray(default_roles) ) {
+                for ( const role of default_roles ) user.promote(role)
+            }
+        } catch (e) {
+            this.output.error('Unable to read default roles to promote registered user: ')
+            this.output.error(e)
+        }
+
+        // If this is the first user, make them root
+        if ( !(await User.findOne()) ) user.promote('root')
+
         await user.save()
 
         // Log in the user automatically