docs(mongo-memory-server-createuser): add file

docs/api/interfaces/mongo-memory-server-automaticauth.md

@@ -20,7 +20,7 @@ Normally authentication is enabled when the `auth` field a object, but with this
 Typings: `extraUsers?: CreateUser[]`  
 Default: `[]`
 
-Add extra users after the root user has been created, uses [`CreateUser`](TODO).
+Add extra users after the root user has been created, uses [`CreateUser`](./mongo-memory-server-createuser.md).
 
 ### customRootName
 

docs/api/interfaces/mongo-memory-server-createuser.md

@@ -0,0 +1,38 @@
+---
+id: mongo-memory-server-createuser
+title: 'CreateUser'
+---
+
+API Documentation of `CreateUser`-Interface
+
+## Values
+
+This Interface inherits most values from the `CreateUserMongoDB` interface, which is a interface for the `createUser` command manually types, see [#663](https://github.com/nodkz/mongodb-memory-server/issues/663) for tracking on switching to native interface.
+
+Because most values are inherited, only the new ones and important ones are described here.
+
+### database
+
+Typings: `database?: string`  
+Default: `admin`
+
+Set the Database where the user will be added to, by default the user will be added to the `admin` database.
+
+### createUser
+
+Typings: `createUser: string`
+
+Set the username of the User to create.
+
+### pwd
+
+Typings: `pwd: string`
+
+Set the password of the User to create.
+
+### roles
+
+Typings: `roles: ({ role: UserRoles; db: string } | UserRoles)[]`
+
+Set the Roles the new User will have.  
+For a list of available Roles, see the [MongoDB Documentation](https://www.mongodb.com/docs/manual/reference/built-in-roles/).

website/sidebars.js

@@ -12,6 +12,7 @@ module.exports = {
     Interfaces: [
       'api/interfaces/mongo-memory-server-opts',
       'api/interfaces/mongo-memory-server-automaticauth',
+      'api/interfaces/mongo-memory-server-createuser',
     ],
   },
   guides: {