Draft: PoC: Run Vale style check

Wippy wip.

.vale/vale.d/designs.ini

+StylesPath = .vale/styles
+
+Vocab = Apertis
+
+IgnoredScopes = code, tt, link
+
+[*.md]
+BasedOnStyles = Vale
+
+Vale.Spelling = NO
+
+BlockIgnores = (?s) *({{< [^>]* >}})