Update and rename penguins_umbrella.txt to penguins_horse.txt

Can pick between the two ascii arts

src/asciiArt/penguins_umbrella.txt → src/asciiArt/penguins_horse.txt

@@ -9,3 +9,10 @@
            (|   |J/|   |)
            '\   /`"\   /`
  -- '' -'-'  ^`^    ^`^  -- '' -'-'
+
+            .''
+  ._.-.___.' (`\
+ //(        ( `'
+'/ )\ ).__. ) 
+' <' `\ ._/'\
+   `   \     \