Add proselint style.

styles/proselint/Skunked.yml

@@ -0,0 +1,13 @@
+extends: existence
+message: "'%s' is a bit of a skunked term — impossible to use without issue."
+ignorecase: true
+level: error
+tokens:
+  - bona fides
+  - deceptively
+  - decimate
+  - effete
+  - fulsome
+  - hopefully
+  - impassionate
+  - Thankfully