add proper carousel to store page

uses the VueCarousel library to add an actual carousel to the store page
for the images. uses responsive styles

prisma/migrations/20241025091103_add_invitations/migration.sql

@@ -0,0 +1,9 @@
+-- CreateTable
+CREATE TABLE "Invitation" (
+    "id" TEXT NOT NULL,
+    "isAdmin" BOOLEAN NOT NULL DEFAULT false,
+    "username" TEXT,
+    "email" TEXT,
+
+    CONSTRAINT "Invitation_pkey" PRIMARY KEY ("id")
+);