chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

templates/user/auth/signup_openid_navbar.tmpl

@@ -0,0 +1,12 @@
+<overflow-menu class="ui secondary pointing tabular top attached borderless menu secondary-nav">
+	<div class="overflow-menu-items tw-justify-center">
+		<a class="{{if .PageIsOpenIDConnect}}active {{end}}item" href="{{AppSubUrl}}/user/openid/connect">
+			{{ctx.Locale.Tr "auth.openid_connect_title"}}
+		</a>
+		{{if and .EnableOpenIDSignUp (not .AllowOnlyInternalRegistration)}}
+			<a class="{{if .PageIsOpenIDRegister}}active {{end}}item" href="{{AppSubUrl}}/user/openid/register">
+				{{ctx.Locale.Tr "auth.openid_register_title"}}
+			</a>
+		{{end}}
+	</div>
+</overflow-menu>