Add fortune completions (#9177)

* Add fortune completions

Add -r for required parameters

* add updates to changelog

CHANGELOG.rst

@@ -68,6 +68,7 @@ Completions
 
   - ``firefox``
   - ``firefox-developer-edition``
+  - ``fortune``
   - ``kind`` (:issue:`9110`)
   - ``zig`` (:issue:`9083`)
   - ``sad``

share/completions/fortune.fish

@@ -0,0 +1,12 @@
+# Fish completions for fortune <https://www.ibiblio.org/pub/linux/games/amusements/fortune/!INDEX.html>
+
+complete -c fortune -s a -d 'Include offensive fortunes'
+complete -c fortune -s e -d 'Equal category weighting'
+complete -c fortune -s f -d 'Print fortune categories'
+complete -c fortune -s i -d 'Ignore case for regex patterns'
+complete -c fortune -s l -d 'Long fortunes only'
+complete -c fortune -s m -r -d 'Print all fortunes that match regex pattern'
+complete -c fortune -s n -r -d 'Set short/long fortune threshold'
+complete -c fortune -s o -d 'Offensive fortunes only'
+complete -c fortune -s s -d 'Short fortunes only'
+complete -c fortune -s w -d 'Add a wait time for reading'