feat(easel): add localization

gallery/easel/route/view/schedule/templates/channel.html

@@ -2,13 +2,11 @@
 {% block title %}
 Программа | {{response.channel.name}} | {{response.date.strftime('%a, %d %B %Y')}}
 {% endblock %}
-{% block head %}
-{{ super() }}
-<link rel="stylesheet"
-      href="/static/schedule/style.css?v={{version}}">
-<link rel="icon"
-      href="/static/schedule/favicon.ico?v={{version}}"
-      type="image/x-icon">
+
+{% block header %}
+<span class="fs-4 text-body ms-2 me-2">/</span>
+<app-link href="/schedule"
+          icon="tv">{{_("TV program")}}</app-link>
 {% endblock %}
 
 {% block content %}