Add login/registration info text

patches/invidious/0018-add-login-form-info.patch

@@ -0,0 +1,21 @@
+From e95b4364979bd95ece3ecdbf18f2d60bf3f06a3f Mon Sep 17 00:00:00 2001
+From: weidenwiesel <webmaster@nerdvpn.de>
+Date: Sat, 20 Dec 2025 11:23:17 +0100
+Subject: [PATCH 18/18] Add login form notice
+
+---
+ src/invidious/views/user/login.ecr | 2 ++
+ 1 files changed, 2 insertions(+)
+diff --git a/src/invidious/views/user/login.ecr b/src/invidious/views/user/login.ecr
+index 7ac96bc6..aba78ad3 100644
+--- a/src/invidious/views/user/login.ecr
++++ b/src/invidious/views/user/login.ecr
+@@ -8,6 +8,8 @@
+         <div class="h-box">
+             <% case account_type when %>
+             <% else # "invidious" %>
++                <h1>Login or register</h1>
++                <p>Enter your credentials. For new registrations, you can choose any User ID (min. 3 characters).<br />Existing users will be logged in, new users will be registered automatically.</p>
+                 <form class="pure-form pure-form-stacked" action="/login?referer=<%= URI.encode_www_form(referer) %>&type=invidious" method="post">
+                     <fieldset>
+                         <% if email %>