Rebrand from Casera/MyCrib to honeyDue

Total rebrand across Web project:
- Package name: casera-web -> honeydue-web
- Cookie: casera-token -> honeydue-token
- Theme store: casera-theme -> honeydue-theme
- File sharing: .casera -> .honeydue, component/function renames
- casera-file-handler.tsx -> honeydue-file-handler.tsx
- All UI text, metadata, OG tags updated
- Domains: casera.treytartt.com -> honeyDue.treytartt.com
- Demo data emails updated
- All documentation updated

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

package-lock.json

@@ -1,11 +1,11 @@
 {
-  "name": "casera-web",
+  "name": "honeydue-web",
   "version": "0.1.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
-      "name": "casera-web",
+      "name": "honeydue-web",
       "version": "0.1.0",
       "dependencies": {
         "@dnd-kit/core": "^6.3.1",