PR for visibility of changes

[ciotlosm]

• ⚠️ Breaking changes
  • zigbee_shepherd_debug removed
• Add-on images are now taken from Docker Hub zigbee2mqtt organisation
• Changed mqtt.server, mqtt.user, mqtt.password to be optional
• Added support for mqtt auto discovery (server, user, password)
• Removed pm2
• Removed socat.restartdelay and socat.initialdelay
• Unified Dockerfile into a single common file
• ⚠️ Changed run.sh and socat.sh to use s6-overlay
• Version management now only in config.json
• Changed version format to X.X.X-A
• Added common/local_build.sh script
• Removed some obsolete startup debug messages
• Removed duplicate icon and logo
• Added new pipelines in pipeline/ with proper names
• Pipelines now reuse a common template to reduce code duplication
• Pipelines now auto-generate arch specific jobs based on supported arch in config.json
• Restricted Edge pipeline triggers to files in /common
• Pipeline triggers migrated to dev branch
• Fixed Docker Pulls to point to correct location and use markdown code
• Pipelines are now running from zigbee2mqtt azure org

Checklist

• [x] Change the version number in zigbee2mqtt/config.json: "version": "$NEW_VERSION"
• [x] Add any new configuration options to zigbee2mqtt/config.json and zigbee2mqtt-edge/config.json.
• [x] Update the changelog, including any breaking changes, changes to underlying libraries, or new configuration options

[ciotlosm]

Will close this, as the fork was disconnected as a next step to achieve offical repo switch.