May 9, 2021

- added user interface tutorial
- added action button for accessing the navigation drawer
- tachometer's color, range and red zone can be now adjusted via a config menu
- new color picker style
- parameter value (in category "sensor") can be now displayed as raw voltage
- added new parameters: "Idle Engine Speed Commanded", "Air Fuel Ratio"
- oxygen sensor band can be now defined as "narrow" or "wide", this definition is used as a base for estimating "air to fuel ratio" or "lambda"