chore: ignore OS meta files and update changelog for WYSIWYG and Object Editor updates

.gitignore

@@ -11,7 +11,6 @@ node_modules/
 /backup
 
 # Misc
-.DS_Store
 .env.local
 .env.development.local
 .env.test.local
@@ -46,4 +45,6 @@ pids
 *.swo
 
 # OS generated files
+.DS_Store
 Thumbs.db
+._*

public/data/commits.json

@@ -1,5 +1,22 @@
 {
   "changelog": [
+    {
+      "date": "2026-06-14",
+      "changes": [
+        {
+          "datetime": "2026-06-14T10:00:00+07:00",
+          "type": "feature",
+          "title": "Major Markdown Editor Rewrite: WYSIWYG Experience",
+          "description": "Completely rebuilt the Markdown Editor to feature a true WYSIWYG (What You See Is What You Get) interface using Tiptap. You can now edit rich text visually like a Word document, while seamlessly converting back and forth to raw Markdown and clean HTML."
+        },
+        {
+          "datetime": "2026-06-14T09:30:00+07:00",
+          "type": "enhancement",
+          "title": "Object Editor: Data Preview & Multidimensional Search",
+          "description": "The Object Editor now defaults to a fast Read-Only preview when you paste JSON data. We also added an incredibly powerful multidimensional search bar that instantly filters, highlights, and expands nested nodes matching your query."
+        }
+      ]
+    },
     {
       "date": "2026-02-18",
       "changes": [