Make sure to include vue templates for auto purge

gulpfile.js

@@ -29,6 +29,7 @@ const postcssPurgecss = require("@fullhuman/postcss-purgecss")({
     "./source/**/*.js",
     "./public/**/*.html",
     "./public/**/*.js",
+    "./public/**/*.vue",
   ],
   defaultExtractor: (content) => content.match(/[A-Za-z0-9-_:/]+/g) || [],
 });