Add categories to readme-vars.yml

Author: quietsy

readme-vars.yml

@@ -4,6 +4,7 @@ project_logo: "https://raw.githubusercontent.com/linuxserver/docker-templates/ma
 project_blurb: |
   [{{ project_name }}]({{ project_url }}) is a personal music streaming server. You can use mStream to stream your music from your home computer to any device, anywhere.  There are mobile apps available for both Android and iPhone.
 project_lsio_github_repo_url: "https://github.com/linuxserver/docker-{{ project_name }}"
+project_categories: "Media Servers,Music"
 # supported architectures
 available_architectures:
   - {arch: "{{ arch_x86_64 }}", tag: "amd64-latest"}