Fix Credo Readability (strict)

- Max line length, implicit try, alias order, zero-arity defs
- String sigils, long comments split; redundant blank lines fixed

lib/mv_web.ex

@@ -94,8 +94,8 @@ defmodule MvWeb do
       import MvWeb.Authorization, only: [can?: 3, can_access_page?: 2]
 
       # Common modules used in templates
-      alias Phoenix.LiveView.JS
       alias MvWeb.Layouts
+      alias Phoenix.LiveView.JS
 
       # Routes generation with the ~p sigil
       unquote(verified_routes())