Update DockPanel.cs (#416)

Co-authored-by: Arlo <arlo.godfrey@outlook.com>

Updated tooling to latest main

Added unit tests for ExpressionFunctions.ColorLerpRgb and ColorLerpHsl

Ignore -postfix parameter to PackEachExperiment if prerelease tag is …

…not specified

This should hopefully be all we need for our release build

Updates build.yml trigger to automatically start workflow when a rele…

…ase branch is created

Icon updates and md cleanup (#158)

* First pass

* Fix xaml

* Adding more icons

* XAML styler

* More icons

* Adding shadow icon

* Minor sample tweak

* Update tooling

* Revert "Update tooling"

This reverts commit e653319.

* Update tooling

---------

Co-authored-by: Arlo <arlo.godfrey@outlook.com>
Co-authored-by: Michael Hawker MSFT (XAML Llama) <24302614+michael-hawker@users.noreply.github.com>