feat: review backend and frontend

- update to the latest version of Java/SpringBoot
- update to the latest version NuxtJS
- add account/password update
- add account creation
- add account password reset
- add bundle to regroup questions and add default questions on user creation
- add bundle creation

frontend/components/Legend.vue

@@ -19,9 +19,6 @@
 
 <style lang="scss" scoped>
 
-@import "assets/css/color";
-@import "assets/css/spacing";
-
 ol {
   margin: 0;
   position: relative;