v1.4.0: fix #43, #31, #29, #49, #33 + shared templating

py_service/app/templates/pages/docs.html

@@ -0,0 +1,14 @@
+{% extends "page.html" %}
+{% block page_content %}
+<div class="card">
+    <div class="card-header"><h2>Документация</h2></div>
+    {% if error %}<div class="alert alert-error">{{ error }}</div>{% endif %}
+    {% if docs %}
+    <div class="docs-list">{% for d in docs %}
+        <div class="doc-item"><a href="/service/documents/{{ d.filename | replace('.md', '') }}">{{ d.title }}</a></div>
+    {% endfor %}</div>
+    {% else %}
+    <div class="empty-state"><h3>Нет доступных документов</h3></div>
+    {% endif %}
+</div>
+{% endblock %}