Implement News System with Admin UI and Homepage Integration

prisma/migrations/20251125101602_add_news_model/migration.sql

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+-- CreateTable
+CREATE TABLE "News" (
+    "id" INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+    "title" TEXT NOT NULL,
+    "content" TEXT NOT NULL,
+    "author" TEXT,
+    "publishedAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" DATETIME NOT NULL,
+    "featured" BOOLEAN NOT NULL DEFAULT false,
+    "specialId" INTEGER,
+    CONSTRAINT "News_specialId_fkey" FOREIGN KEY ("specialId") REFERENCES "Special" ("id") ON DELETE SET NULL ON UPDATE CASCADE
+);
+
+-- CreateIndex
+CREATE INDEX "News_publishedAt_idx" ON "News"("publishedAt");