Add Checkmate

[gorkem-bwl]

# software name
name: "Checkmate"
# URL of the software project's homepage
website_url: "https://checkmate.so"
# URL where the full source code of the program can be downloaded
source_code_url: "https://github.com/bluewave-labs/checkmate"
# description of what the software does, shorter than 250 characters, sentence case
description: "Checkmate is an open-source, self-hosted tool designed to track and monitor server hardware, uptime, response times, and incidents in real-time with beautiful visualizations."
# list of license identifiers, see https://github.com/awesome-selfhosted/awesome-selfhosted-data/blob/master/licenses.yml for the full list of licenses
licenses:
  - AGPL-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:
  - MongoDB
  - Nodejs
  - JavaScript
  - Docker
# list of tags (categories), see https://github.com/awesome-selfhosted/awesome-selfhosted-data/tree/master/tags for the full list of tags
tags:
  - Status / Uptime pages
# (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://checkmate-demo.bluewavelabs.ca/"
# (optional) link to a list of clients/addons/plugins/apps/bots... for the software
related_software_url: "https://github.com/bluewave-labs/capture"

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[Rabenherz112]

I feel like this software is way more then just an Status Page, and would probably fall under the Monitoring tag. Therefore I think this should be submitted to https://github.com/awesome-foss/awesome-sysadmin#monitoring instead.

[nodiscc]

Indeed.
Please resubmit to https://github.com/awesome-foss/awesome-sysadmin#monitoring

[Ki-er]

awesome-foss/awesome-sysadmin#595

PR already made.