corrections de problèmes de liens inter articles et de display du about

user/config/system.yaml

@@ -160,7 +160,7 @@ log:
     tag: grav
 debugger:
   enabled: false
-  provider: clockwork
+  provider: debugbar
   censored: false
   shutdown:
     close_connection: true
@@ -178,6 +178,7 @@ images:
     retina_scale: '1'
   defaults:
     loading: auto
+    decoding: auto
   watermark:
     image: 'system://images/watermark.png'
     position_y: center
@@ -189,7 +190,7 @@ media:
   unsupported_inline_types: null
   allowed_fallback_types: null
   auto_metadata_exif: false
-  upload_limit: 2097152
+  upload_limit: 2147483648
 session:
   enabled: true
   initialize: true