Enable vale for prose linting (#3)

* Enable vale in CI

* Add vale config

* Tweak vale

* Update config

* Update .gitignore

* Switch back

* Rename CI

* Add badges

* Tidy up CI

* Change image

* Configure vale

* Delint

* Update README

.github/styles/RedHat/Contractions.yml

@@ -0,0 +1,44 @@
+---
+extends: substitution
+ignorecase: true
+level: suggestion
+link: https://redhat-documentation.github.io/vale-at-red-hat/docs/main/reference-guide/contractions/
+message: "Avoid contractions. Use '%s' rather than '%s.'"
+# source: "https://redhat-documentation.github.io/supplementary-style-guide/#contractions"
+action:
+  name: replace
+swap:
+  "aren't": are not
+  "can't": cannot
+  "couldn't": could not
+  "didn't": did not
+  "doesn't": does not
+  "don't": do not
+  "hasn't": has not
+  "haven't": have not
+  "how'll": how will
+  "how's": how is
+  "isn't": is not
+  "it'll": it will
+  "it's": it is
+  "shouldn't": should not
+  "that'll": that will
+  "that's": that is
+  "they'll": they will
+  "they're": they are
+  "wasn't": was not
+  "we'll": we will
+  "we're": we are
+  "we've": we have
+  "weren't": were not
+  "what'll": what will
+  "what's": what is
+  "when'll": when will
+  "when's": when is
+  "where'll": where will
+  "where's": where is
+  "who'll": who will
+  "who's": who is
+  "why'll": why will
+  "why's": why is
+  "won't": will not