Lists: made on /lists, read as a tab of the feed

A persona's lists (PrivaPub's /api/v1/lists): made, renamed, given a
replies policy and made exclusive on /lists, filled from the accounts it
follows (accounts/search?following=true), and read as the feed's Lists tab.
A followed account's profile has a Lists menu to put it in or take it out.
ListService does the calls; the e2e tests check each step against
PrivaPub's own answer.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LsXgEaXee4GCU1hwYgPJXw

Shared/NavMenu.razor

@@ -47,6 +47,10 @@
 						<i class="ion-md-search"></i>
 						<span>@Localizer["Search"]</span>
 					</NavLink>
+					<NavLink ActiveClass="btn-active" class="btn justify-start" href="lists">
+						<i class="ion-md-list"></i>
+						<span>@Localizer["Lists"]</span>
+					</NavLink>
 					@if (CascadingState.PersonaId is { } personaId)
 					{
 						<NavLink ActiveClass="btn-active" class="btn justify-start" href="@($"account/{Uri.EscapeDataString(personaId)}")">