feat: add RichTextEditor component for rich text editing in articles

feat: create SanitizeBlogBodiesCommand to clean existing blog bodies according to current HTML sanitization policies

test: add AppointmentTreatmentSessionLinkTest to ensure appointment booking functionality works correctly with treatment session links

package.json

@@ -35,7 +35,6 @@
         "webpack-cli": "^6.0.0"
     },
     "dependencies": {
-        "@ckeditor/ckeditor5-build-classic": "^44.3.0",
         "@ckeditor/ckeditor5-react": "^11.2.0",
         "@fontsource/vazirmatn": "^5.2.8",
         "@heroicons/react": "^2.0.0",
@@ -44,6 +43,7 @@
         "@tanstack/react-table": "^8.0.0",
         "@types/leaflet": "^1.9.21",
         "altcha": "^3.2.0",
+        "ckeditor5": "^48.4.0",
         "jalaali-js": "^1.2.8",
         "leaflet": "^1.9.4",
         "react": "^19.0.0",