Add Avalonia.Controls.Knob project (#236)

* Add Avalonia.Controls.Knob

- Add Avalonia.Controls.Knob link

* Update Tulesha projects

- Update name and link for Tulesha.ToolBarControls.Avalonia project
- Update name and link for Tulesha.KnobControl.Avalonia project

README.md

@@ -294,7 +294,6 @@ Contributions are always welcome! Please take a look at the [Contribution Guidel
 - [AvaloniaAutoGrid](https://github.com/AvaloniaUI/AvaloniaAutoGrid) - A flexible, easy to configure replacement for the standard Grid control.
 - [AvaloniaCalendarView](https://github.com/eugenenoble2005/avaloniacalendarview) - Editable month view, week view and day view calendar control for Avalonia.
 - [AvaloniaColorPicker](https://github.com/arklumpus/AvaloniaColorPicker) - A color picker that supports RGB, HSB, and CIELAB color spaces.
-- [AvaloniaControlsToolBar](https://github.com/Tulesha/Avalonia.Controls.ToolBar) - A ToolBar and ToolBarTray controls for Avalonia.
 - [AvaloniaEdit](https://github.com/AvaloniaUI/AvaloniaEdit) - This is a port of AvalonEdit for Avalonia.
 - [AvaloniaFixedWrapPanel](https://github.com/MikD1/AvaloniaFixedWrapPanel) - Avalonia WrapPanel with fixed number of items per line.
 - [AvaloniaGraphControl](https://github.com/Oaz/AvaloniaGraphControl) - A graph layout panel based on [Microsoft Automatic Graph Layout](https://github.com/microsoft/automatic-graph-layout).
@@ -330,6 +329,8 @@ Contributions are always welcome! Please take a look at the [Contribution Guidel
 - [RangeSlider](https://github.com/DmitryNizhebovsky/Avalonia.RangeSlider) - RangeSlider control.
 - [Ripple Effect](https://github.com/Roflyanochka/AvaloniaRipple) - Sample of ripple effect.
 - [Tabalonia](https://github.com/egorozh/Tabalonia) - Tab Control with drag-able tabs.
+- [Tulesha.KnobControl.Avalonia](https://github.com/Tulesha/KnobControl.Avalonia) - A Knob control for Avalonia.
+- [Tulesha.ToolBarControls.Avalonia](https://github.com/Tulesha/ToolBarControls.Avalonia) - A ToolBar and ToolBarTray controls for Avalonia.
 - [Ursa.Avalonia](https://github.com/irihitech/Ursa.Avalonia) - Ursa is a UI library for building cross-platform UIs with Avalonia UI.
 - [UVtools.AvaloniaControls](https://github.com/sn4k3/UVtools/tree/master/UVtools.AvaloniaControls) - Fast and configurable AdvancedImageBox with image modes, pan & zoom, select regions, pixel grid, and cursor images.
 - [Xamarin.Forms.Platform.Avalonia](https://github.com/zhongzf/Xamarin.Forms.Platform.Avalonia) - Xamarin Forms platform implemented with Avalonia (A multi-platform .NET UI framework).