templatification needs to add additional data to the apax.yml

The apax.yml of the template packge, seems to be missing some properties to be a 100% recognized as a template.

`name: '@simatic-ax/template-app'
version: 0.0.0-placeholder
type: generic
author: Siemens AG
description: SIMATIC AX template for Application examples or Applications
registries:
  '@simatic-ax': 'https://npm.pkg.github.com/'
keywords:
  - "template"
files:
  - 'template'`