Add categories to readme-vars.yml

Author: quietsy

readme-vars.yml

@@ -6,6 +6,7 @@ project_url: "https://www.mysql.com/products/workbench/"
 project_logo: "https://raw.githubusercontent.com/linuxserver/docker-templates/master/linuxserver.io/img/mysql-workbench-icon.png"
 project_blurb: "[MySQL Workbench]({{ project_url }}) is a unified visual tool for database architects, developers, and DBAs. MySQL Workbench provides data modeling, SQL development, and comprehensive administration tools for server configuration, user administration, backup, and much more."
 project_lsio_github_repo_url: "https://github.com/linuxserver/docker-{{ project_name }}"
+project_categories: "Databases"
 # supported architectures
 available_architectures:
   - {arch: "{{ arch_x86_64 }}", tag: "latest"}