Gets all device types
---
tags:
  - DeviceType
parameters:
  - in: path
    name: page
    required: false
    schema:
      type: integer
      minimum: 1
    description: requested page
  - in: path
    name: per_page
    required: false
    schema:
      type: integer
      minimum: 1
    description: requested items per page
responses:
  200:
    description: Success
    schema:
      type: object
      required:
        - device_types
      properties:
        device_types:
          type: array
          items:
            $ref: '#/definitions/DeviceType'