feat: Implement contact message functionality including API endpoints, database storage, and email notifications.

prisma/migrations/20251209114830_contact_message/migration.sql

@@ -0,0 +1,11 @@
+-- CreateTable
+CREATE TABLE "ContactMessage" (
+    "id" TEXT NOT NULL,
+    "name" TEXT NOT NULL,
+    "email" TEXT NOT NULL,
+    "subject" TEXT,
+    "message" TEXT NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "ContactMessage_pkey" PRIMARY KEY ("id")
+);