docs: add @moduledoc to all LiveView modules

Add comprehensive module documentation to 12 LiveView modules covering
member, user, property, and property_type management views.

lib/mv_web/live/member_live/show.ex

@@ -1,4 +1,26 @@
 defmodule MvWeb.MemberLive.Show do
+  @moduledoc """
+  LiveView for displaying a single member's details.
+
+  ## Features
+  - Display all member information (personal, contact, address)
+  - Show linked user account (if exists)
+  - Display custom properties
+  - Navigate to edit form
+  - Return to member list
+
+  ## Displayed Information
+  - Basic: name, email, dates (birth, join, exit)
+  - Contact: phone number
+  - Address: street, house number, postal code, city
+  - Status: paid flag
+  - Relationships: linked user account
+  - Custom: dynamic properties from PropertyTypes
+
+  ## Navigation
+  - Back to member list
+  - Edit member (with return_to parameter for back navigation)
+  """
   use MvWeb, :live_view
   import Ash.Query