Add TailwindCSS (#1252)

* Setup TailwindCSS

* Fully setup configuration

* Refactor some tailwind variables

apps/frontend/src/helpers/users.js

@@ -1,9 +1,9 @@
 export const getUserLink = (user) => {
-  return `/user/${user.username}`
-}
+  return `/user/${user.username}`;
+};
 
 export const isStaff = (user) => {
-  return user && STAFF_ROLES.includes(user.role)
-}
+  return user && STAFF_ROLES.includes(user.role);
+};
 
-export const STAFF_ROLES = ['moderator', 'admin']
+export const STAFF_ROLES = ["moderator", "admin"];