feat: revamp editor UI and enhance about panel

- Updated markdown editor with modern toolbar design and improved visual hierarchy
- Added auto-save indicator and note color support in editor header
- Redesigned note list cards with hover effects and quick action buttons
- Added version, build date and copyright info to about panel
- Enhanced scrollbar styling and padding in editor container
- Improved responsive layout and dark mode support across components

vault/folder-5/test-add-properties.md

@@ -1,17 +1,20 @@
 ---
-titre: test-add-properties
-auteur: Bruno Charest
-creation_date: 2025-10-23T13:11:50-04:00
-modification_date: 2025-10-23T13:11:50-04:00
-catégorie: ""
-tags: []
-aliases: []
-status: en-cours
+titre: "test-add-properties"
+auteur: "Bruno Charest"
+creation_date: "2025-10-23T13:11:50-04:00"
+modification_date: "2025-10-23T13:11:50-04:00"
+aliases: [""]
+status: "en-cours"
 publish: false
-favoris: false
+favoris: true
 template: false
-task: false
+task: true
 archive: false
 draft: false
-private: false
+private: true
+color: "#22C55E"
+tags:
+  - tag1
+  - accueil
+  - tag3
 ---