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/vereinfacht/vereinfacht.ex

@@ -9,10 +9,10 @@ defmodule Mv.Vereinfacht do
   """
   require Ash.Query
   import Ash.Expr
-  alias Mv.Vereinfacht.Client
-  alias Mv.Membership.Member
-  alias Mv.Helpers.SystemActor
   alias Mv.Helpers
+  alias Mv.Helpers.SystemActor
+  alias Mv.Membership.Member
+  alias Mv.Vereinfacht.Client
 
   @doc """
   Tests the connection to the Vereinfacht API using the current configuration.