fix: update .prettierrc (#9)

As per forem/forem#1492 the dev.to renderer interprets line breaks in markdown as actual linebreaks.

Removing this formatting flag stops articles looking weird because of odd linebreak behaviour.

Co-authored-by: evil-liskov <69952973+evil-liskov@users.noreply.github.com>

.prettierrc

@@ -7,6 +7,6 @@
   "trailingComma": "all",
   "bracketSpacing": true,
   "arrowParens": "avoid",
-  "proseWrap": "preserve",
+  "proseWrap": "never",
   "htmlWhitespaceSensitivity": "ignore"
 }