v1.6.0

• add Sensors module (temperature, voltage and power)
• improve start time by moving an initial read to the background
• fix the margins in the network widget view
• add missing widgets name
• improve battery module updates
• fix CPU usage visibility per process
• fix default network and battery widgets
• remove CHANGELOG.md (replaced with git tags)
• update Disk module to select the disk to show
• fix interval saving in CPU, RAM and Disk modules
• move to own LaunchAtLogin helper
• cleanup project