feat(*.liquid): apply prettier to liquid templates

- offer to create tag when none is found while adding a link from cli
- fix tag display in search

.prettierrc

@@ -3,12 +3,13 @@
   "tabWidth": 2,
   "useTabs": false,
   "semi": true,
-  "singleQuote": true,
   "quoteProps": "as-needed",
   "trailingComma": "none",
   "bracketSpacing": true,
   "arrowParens": "always",
   "endOfLine": "lf",
   "proseWrap": "preserve",
-  "embeddedLanguageFormatting": "auto"
+  "embeddedLanguageFormatting": "auto",
+  "singleQuote": false,
+  "plugins": ["@shopify/prettier-plugin-liquid"]
 }