Merge pull request SDWebImage#187 from rufmirza/readme_corrections

Readme corrections

Author: dreampiggy

README.md

@@ -208,7 +208,7 @@ var body: some View {
         .playbackRate(2.0) // Playback speed rate
 
         // Bundle (not Asset Catalog)
-        AnimatedImage(name: "animation1", isAnimating: $isAnimating)) // Animation control binding
+        AnimatedImage(name: "animation1.gif", isAnimating: $isAnimating) // Animation control binding
         .maxBufferSize(.max)
         .onViewUpdate { view, context in // Advanced native view coordinate
             // AppKit tooltip for mouse hover
@@ -229,11 +229,18 @@ Note: `AnimatedImage` some methods like `.transition`, `.indicator` and `.aspect
 Note: some of methods on `AnimatedImage` will return `some View`, a new Modified Content. You'll lose the type related modifier method. For this case, you can either reorder the method call, or use Native View in `.onViewUpdate` for rescue.
 
 ```swift
+
+// Using UIKit components
 var body: some View {
-    AnimatedImage(name: "animation2") // Just for showcase, don't mix them at the same time
+    AnimatedImage(name: "animation2.gif") 
     .indicator(SDWebImageProgressIndicator.default) // UIKit indicator component
-    .indicator(Indicator.progress) // SwiftUI indicator component
     .transition(SDWebImageTransition.flipFromLeft) // UIKit animation transition
+}
+
+// Using SwiftUI components
+var body: some View {
+    AnimatedImage(name: "animation2.gif")
+    .indicator(Indicator.progress) // SwiftUI indicator component
     .transition(AnyTransition.flipFromLeft) // SwiftUI animation transition
 }
 ```