Apply lastLineFillPercent for single line views as well. (#449)

* Apply lastLineFillPercent for single line views as well.
Fixes #430

* Update readme to include single_lastline.png

* Remove singleline_lastline.png asset added to demo last line in single line views.

* Simplify lastLineFillPercent related update in readme file.

* Fix grammar in readme.

README.md

@@ -268,7 +268,7 @@ You can set some properties for multilines elements.
 
 | Property | Values | Default | Preview
 | ------- | ------- |------- | -------
-| **Filling percent** of the last line. | `0...100` | `70%` | ![](Assets/multiline_lastline.png)
+| **Filling percent** of the last line.<br/>Please note that for views without multiple lines, the single line will be considered as the last line and **lastLineFillPercent** will be applied to that single line.  | `0...100` | `70%`| ![](Assets/multiline_lastline.png)
 | **Corner radius** of lines. (**NEW**) | `0...10` | `0` | ![](Assets/multiline_corner.png)
 
 

SkeletonViewCore/Sources/Internal/UIKitExtensions/CALayer+Extensions.swift

@@ -108,7 +108,7 @@ private extension CALayer {
 
     func calculatedWidthForLine(at index: Int, totalLines: Int, lastLineFillPercent: Int, paddingInsets: UIEdgeInsets) -> CGFloat {
         var width = bounds.width - paddingInsets.left - paddingInsets.right
-        if index == totalLines - 1 && totalLines != 1 {
+        if index == totalLines - 1 {
             width = width * CGFloat(lastLineFillPercent) / 100
         }
         return width
@@ -197,7 +197,7 @@ extension CALayer {
                               width: size.width,
                               height: size.height)
 
-        if index == totalLines - 1 && totalLines != 1 {
+        if index == totalLines - 1 {
             frame = alignLayerFrame(newFrame, alignment: alignment, isRTL: isRTL)
         } else {
             frame = newFrame