[orx-shade-styles] Write comments on demos

orx-shade-styles/src/commonMain/kotlin/fills/FillEnums.kt

@@ -1,20 +1,45 @@
 package org.openrndr.extra.shadestyles.fills
 
+
+/**
+ * Specifies how to fill shapes with the gradient
+ */
 enum class FillFit {
+    /** Deforms the gradient to match the bounds of the shape */
     STRETCH,
+
+    /** Resizes the gradient to cover the bounds of the shape */
     COVER,
+
+    /** Resizes the gradient to fit inside the bounds of the shape */
     CONTAIN
 }
 
+/**
+ * Specifies what units are coordinates given in
+ */
 enum class FillUnits {
+    /** Normalized coordinates, with (0.5, 0.5) at the center of the gradient. */
     BOUNDS,
+
+    /** Screen coordinates in pixels */
     WORLD,
+
     VIEW,
+
     SCREEN,
 }
 
+/**
+ * Specifies how to extend a gradient when outside the normalized range
+ */
 enum class SpreadMethod {
+    /** Stretches the edge color */
     PAD,
+
+    /** Mirrors the color in a ping-pong fashion, as if traveling through the gradient back and forth */
     REFLECT,
+
+    /** Loops through the gradient as needed */
     REPEAT
 }