added notes to settings.yaml

moved core app config (name, version) out of settings and into app/app_settings.py
added ability to brand SneakyScope to any name
added caching of cert information from crt.sh (cache enable and lenght is configurable in settings.yaml)

streamlined header/footer loading to be more correct

app/templates/base.html

@@ -20,7 +20,7 @@
     <div class="max-w-7xl mx-auto px-4 py-3">
       <div class="flex items-center justify-between">
         <a href="{{ url_for('main.index') }}" class="text-xl font-bold text-white">
-          SneakyScope
+          {{ header }}
         </a>
 
         {# Desktop nav #}
@@ -76,7 +76,7 @@
 
   {# Footer #}
   <footer class="bg-nav border-t border-gray-800 text-center p-4">
-    <p class="text-sm text-gray-400">© {{ current_year }} SneakyScope {{ app_name }} {{ app_version }} - A selfhosted URL sandbox</p>
+    <p class="text-sm text-gray-400">{{ footer | safe }}</p>
   </footer>
 
   {# Flowbite JS (enables collapse) #}