Internal: Updated keywords. [skip ci]

package.json

@@ -3,11 +3,27 @@
   "version": "1.0.0-beta.3",
   "description": "CKEditor 5 document editor build.",
   "keywords": [
-    "ckeditor5",
     "ckeditor5-build",
-    "text editor",
+    "CKEditor",
+    "ckeditor5",
+    "ckeditor 5",
     "WYSIWYG",
-    "rich-text editor"
+    "WYSIWYW",
+    "text",
+    "rich-text",
+    "richtext",
+    "editor",
+    "editing",
+    "html",
+    "contentEditable",
+    "editing",
+    "operational transformation",
+    "ot",
+    "collaboration",
+    "collaborative",
+    "real-time",
+    "virtual dom",
+    "framework"
   ],
   "main": "./build/ckeditor.js",
   "files": [