feat: Add close event

- Frame elements now can be closed
- Event is added in template
- Action leads back in history

source/screens/demo/examples/ui/cli.njk

@@ -31,6 +31,4 @@ tags:
 
 {%- block script %}
 	{{ super() }}
-	<script src="{{ pageBase }}js/app.js"></script>
-	<script></script>
 {% endblock %}

source/screens/demo/examples/ui/explorer.njk

@@ -182,6 +182,4 @@ tags:
 
 {%- block script %}
 	{{ super() }}
-	<script src="{{ pageBase }}js/app.js"></script>
-	<script></script>
 {% endblock %}

source/screens/demo/examples/ui/new.njk

@@ -48,8 +48,6 @@ tags:
 
 {%- block script %}
   {{ super() }}
-  <script src="https://code.jquery.com/jquery-3.3.1.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script>
-  <script src="{{ pageBase }}js/app.js"></script>
   <script>
     let clock = new Clock('time');
 

source/screens/demo/examples/ui/tui.njk

@@ -32,6 +32,4 @@ tags:
 
 {%- block script %}
 	{{ super() }}
-	<script src="{{ pageBase }}js/app.js"></script>
-	<script></script>
 {% endblock %}