feat: Turtle.Petal ( Fixes #119 )

Author: StartAutomating

Types/Turtle/Petal.ps1

@@ -0,0 +1,29 @@
+<#
+.SYNOPSIS
+    Draws a petal
+.DESCRIPTION
+    Draws a petal.  
+    
+    This is a combination of two arcs and rotations.
+.EXAMPLE
+    turtle @('petal',100,60, 'rotate', 60 * 6)
+#>
+param(
+[double]
+$Radius = 10,
+
+[double]
+$Angle = 60
+)
+
+$OppositeAngle = 180 - $Angle
+
+
+$null = @(
+    $this.ArcRight($Radius, $angle)
+    $this.Rotate($OppositeAngle)
+    $this.ArcRight($Radius, $angle)
+    $this.Rotate($OppositeAngle)
+)
+
+return $this