Content Updates to 1.9.0

[ES-Alexander]

🔎 PREVIEW 🔍

Documents:

• Tutorial: text improvements cockpit#1588
• Add MAVLink inspection tool cockpit#1483
• Minor fixes cockpit#1587
• map: Allow user to specify custom default position (coordinate + zoom) for all maps cockpit#1579
• Use MDI icon over our own and update depth indicator style cockpit#1570
• edit-menu: Disable cog icon for widgets that are not configurable cockpit#1577
• Widgets: add support for Widget discovery from BlueOS cockpit#1499
• EditMenu: differentiate external widgets from Cockpit's own cockpit#1508
• plotter: Allow setting number of decimal places to be displayed cockpit#1566

Minimally Documents:

• Add DIY widget cockpit#1546
  • Should provide examples (maybe an event logger, saving timestamped MAVLink data and some entry text into a (JSON?) file of the mission name, with entries submitted using a button)
• Add widget API cockpit#1503
  • Should detail the available options, including data lake access, action management, and file system access
• data-lake: Notify consumers about updates on the list of available variables cockpit#1565
  • Should describe dynamic nature of it, and how to access the variables, not just mention that MAVLink messages are available to the plotter

[rafaellehmkuhl]

Nice!

[ES-Alexander]

Rebase only changed one image, which looked slightly nicer before the PR so I reverted its update :-)