Add examples for Acronym task (#1984)

* #1890 Added examples for `Acronym` task

Added examples to the task to clarify the bit the input and output. #1890

* Moved section with example to the end of the file

Author: Leefrost

exercises/acronym/description.md

@@ -4,5 +4,11 @@ Convert a phrase to its acronym.
 
 Techies love their TLA (Three Letter Acronyms)!
 
-Help generate some jargon by writing a program that converts a long name
-like Portable Network Graphics to its acronym (PNG).
+Help generate some jargon by writing a program that converts a long name like Portable Network Graphics to its acronym (PNG).
+
+For example:
+
+|Input|Output|
+|-|-|
+|As Soon As Possible|ASAP|
+|Liquid-crystal display|LCD|