Fix Credo Readability (strict)

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

test/mv_web/authorization_test.exs

@@ -4,9 +4,9 @@ defmodule MvWeb.AuthorizationTest do
   """
   use ExUnit.Case, async: true
 
-  alias MvWeb.Authorization
-  alias Mv.Membership.Member
   alias Mv.Accounts.User
+  alias Mv.Membership.Member
+  alias MvWeb.Authorization
 
   describe "can?/3 with resource atom" do
     test "returns true when user has permission for resource+action" do