zune: Start adding examples

Author: ete254

Examples.md

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+### Things you can do.
+
+1. Convert an image with an ICC profile to correct format.
+   
+    Some images require post-processing of the ICC profile to match with what a browser can show you.
+
+    ```shell
+    zune  -i "{IMAGE-WITH-ICC}"  --color-transform rgb -o ./hello.png --trace
+    ```