Update kb, add email confirmation issues page

resources/views/site/help/email-confirmation-issues.blade.php

@@ -0,0 +1,16 @@
+@extends('site.help.partial.template', ['breadcrumb'=>'Email Confirmation Issues'])
+
+@section('section')
+<div class="title">
+    <h3 class="font-weight-bold">Email Confirmation Issues</h3>
+</div>
+<hr>
+<p>If you have been redirected to this page, it may be due to one of the following reasons:</p>
+
+<ul>
+    <li>The email confirmation link has already been used.</li>
+    <li>The email confirmation link may have expired, they are only valid for 24 hours.</li>
+    <li>You cannot confirm an email for another account while logged in to a different account. Try logging out, or use a different browser to open the email confirmation link.</li>
+    <li>The account the associated email belongs to may have been deleted, or the account may have changed the email address.</li>
+</ul>
+@endsection

routes/web.php

@@ -307,7 +307,7 @@ Route::domain(config('pixelfed.domain.app'))->middleware(['validemail', 'twofact
             Route::view('instance-max-users-limit', 'site.help.instance-max-users')->name('help.instance-max-users-limit');
             Route::view('import', 'site.help.import')->name('help.import');
             Route::view('parental-controls', 'site.help.parental-controls');
-            // Route::view('email-confirmation-issues', 'site.help.email-confirmation-issues')->name('help.email-confirmation-issues');
+            Route::view('email-confirmation-issues', 'site.help.email-confirmation-issues')->name('help.email-confirmation-issues');
             Route::view('curated-onboarding', 'site.help.curated-onboarding')->name('help.curated-onboarding');
         });
         Route::get('newsroom/{year}/{month}/{slug}', 'NewsroomController@show');