Add Prisma integration with SQLite, update dependencies, and configure Svelte

prisma/migrations/20251124201656_init/migration.sql

@@ -0,0 +1,24 @@
+-- CreateTable
+CREATE TABLE "Year" (
+    "year" INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT
+);
+
+-- CreateTable
+CREATE TABLE "Person" (
+    "id" INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+    "name" TEXT NOT NULL,
+    "yearId" INTEGER NOT NULL,
+    CONSTRAINT "Person_yearId_fkey" FOREIGN KEY ("yearId") REFERENCES "Year" ("year") ON DELETE RESTRICT ON UPDATE CASCADE
+);
+
+-- CreateTable
+CREATE TABLE "Gift" (
+    "id" INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+    "name" TEXT NOT NULL,
+    "url" TEXT,
+    "description" TEXT,
+    "price" REAL,
+    "status" TEXT NOT NULL DEFAULT 'PLANNED',
+    "personId" INTEGER NOT NULL,
+    CONSTRAINT "Gift_personId_fkey" FOREIGN KEY ("personId") REFERENCES "Person" ("id") ON DELETE RESTRICT ON UPDATE CASCADE
+);