Added icons, helperfunction and new fancy notice message

Added icons from webcrunch resp. heroicons
Added helperfunction to display inline svg with the plugin inline-svg
Implemented fancy notice message webcrunch. Realy nice but does only
work with javascript on.

Gemfile.lock

@@ -111,6 +111,9 @@ GEM
       actionpack (>= 6.0.0)
       activesupport (>= 6.0.0)
       railties (>= 6.0.0)
+    inline_svg (1.9.0)
+      activesupport (>= 3.0)
+      nokogiri (>= 1.6)
     io-console (0.7.2)
     irb (1.14.0)
       rdoc (>= 4.0.0)
@@ -282,6 +285,7 @@ DEPENDENCIES
   debug
   faker (~> 3.4)
   importmap-rails
+  inline_svg (~> 1.9)
   jbuilder
   puma (>= 5.0)
   rails (~> 7.1.3, >= 7.1.3.4)