chore: pre-release v0.4.1-dev

VERSION

@@ -1 +1 @@
-0.4.0
+0.4.1

backend/package.json

@@ -1,6 +1,6 @@
 {
   "name": "backend",
-  "version": "0.4.0",
+  "version": "0.4.1",
   "description": "",
   "main": "index.js",
   "scripts": {

frontend/package.json

@@ -1,7 +1,7 @@
 {
   "name": "frontend",
   "private": true,
-  "version": "0.4.0",
+  "version": "0.4.1",
   "type": "module",
   "scripts": {
     "dev": "vite --port 6767",