[FEAT] Enable PWA functionality

breccia_mapper/templates/base.html

@@ -6,6 +6,11 @@
 {% endif %}
 <html lang="{{ LANGUAGE_CODE|default:'en_us' }}">
 
+{% load pwa %}
+{% progressive_web_app_meta %}
+
+<link rel="manifest" href="manifest.json">
+
 <head>
     <!-- Required meta tags -->
     <meta charset="utf-8">