Add preview image to getCursorAlpha

Author: Fernando-A-Rocha

functions/Cursor/getCursorAlpha.yaml

@@ -2,7 +2,10 @@ client:
   name: 'getCursorAlpha'
   pair: 'setCursorAlpha'
   description: |
-    This function is used to get the client's cursor alpha (transparency). 
+    This function is used to get the client's cursor alpha (transparency).
+  preview_images:
+  - path: '/assets/cursor-alpha.jpg'
+    description: 'Visual representation of the cursor alpha'
   returns:
     description: |
       Returns a int between 0 and 255, where 255 is fully opaque and 0 is fully transparent. 

functions/Cursor/setCursorAlpha.yaml

@@ -5,7 +5,7 @@ client:
     This function is used to change alpha (transparency) from the client's cursor.
   preview_images:
     - path: '/assets/cursor-alpha.jpg'
-      description: 'Example for setCursorAlpha'
+      description: 'Visual representation of the cursor alpha'
   parameters:
     - name: 'alpha'
       type: 'int'