Refactor/backend routers (#388)

* update router

* update caddy file

* setup depends in docker-fole

* make changes for serving on subpath

* set dev config

* fix router signups

* consolidate links

* backup-functionality to dashboard

* new user card

* consolidate theme into profile

* fix theme tests

* fix pg tests

* fix pg tests

* remove unused import

* mobile margin

Co-authored-by: hay-kot <hay-kot@pm.me>

frontend/src/components/UI/TheSidebar.vue

@@ -133,11 +133,6 @@ export default {
           to: "/admin/profile",
           title: this.$t("settings.profile"),
         },
-        {
-          icon: "mdi-format-color-fill",
-          to: "/admin/themes",
-          title: this.$t("general.themes"),
-        },
         {
           icon: "mdi-food",
           to: "/admin/meal-planner",
@@ -167,11 +162,6 @@ export default {
           to: "/admin/manage-users",
           title: this.$t("settings.manage-users"),
         },
-        {
-          icon: "mdi-backup-restore",
-          to: "/admin/backups",
-          title: this.$t("settings.backup-and-exports"),
-        },
         {
           icon: "mdi-database-import",
           to: "/admin/migrations",