Add Halo

[Anyexyz]

# software name
name: "Halo"
# URL of the software project's homepage
website_url: "https://www.halo.run"
# URL where the full source code of the program can be downloaded
source_code_url: "https://github.com/halo-dev/halo"
# description of what the software does, shorter than 250 characters, sentence case
description: "Halo is a powerful and easy-to-use open source website building tool"
# list of license identifiers, see https://github.com/awesome-selfhosted/awesome-selfhosted-data/blob/master/licenses.yml for the full list of licenses
licenses:
  - GPL-3.0
# list of languages/platforms, see https://github.com/awesome-selfhosted/awesome-selfhosted-data/tree/master/platforms for the full list of platforms
platforms:
  - Java
  - Docker
# list of tags (categories), see https://github.com/awesome-selfhosted/awesome-selfhosted-data/tree/master/tags for the full list of tags
tags:
  - Website Builder
  - Open Source
  - Automation
# (optional, true/false, default false) whether the software depends on a third-party service outside the user's control
depends_3rdparty: false
# (optional) link to an interactive demo of the software
demo_url: "https://demo.halo.run"
# (optional) link to a list of clients/addons/plugins/apps/bots... for the software
related_software_url: "https://github.com/halo-sigs/awesome-halo"

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• Any software project you are adding was first released more than 4 months ago.
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