feat(db): add nav_links, social_links, and events tables

- Add nav_links table with siteId, label, url, position, sortOrder, isExternal
- Add social_links table with siteId, platform, label, url, icon, sortOrder
- Add events table with siteId, title, description, eventType, startTime, endTime, timezone, location, externalLink, imageCdnKey, isPublished, isRecurring
- Include corresponding Drizzle migration entries

drizzle/0001_huge_arachne.sql

@@ -0,0 +1,28 @@
+CREATE TABLE "nav_links" (
+	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
+	"site_id" uuid NOT NULL,
+	"label" text NOT NULL,
+	"url" text NOT NULL,
+	"position" text DEFAULT 'header' NOT NULL,
+	"sort_order" integer DEFAULT 0 NOT NULL,
+	"is_external" boolean DEFAULT true NOT NULL,
+	"created_at" timestamp with time zone DEFAULT now() NOT NULL,
+	"updated_at" timestamp with time zone DEFAULT now() NOT NULL
+);
+--> statement-breakpoint
+CREATE TABLE "social_links" (
+	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
+	"site_id" uuid NOT NULL,
+	"platform" text NOT NULL,
+	"label" text,
+	"url" text NOT NULL,
+	"icon" text,
+	"sort_order" integer DEFAULT 0 NOT NULL,
+	"created_at" timestamp with time zone DEFAULT now() NOT NULL,
+	"updated_at" timestamp with time zone DEFAULT now() NOT NULL
+);
+--> statement-breakpoint
+ALTER TABLE "nav_links" ADD CONSTRAINT "nav_links_site_id_sites_id_fk" FOREIGN KEY ("site_id") REFERENCES "public"."sites"("id") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint
+ALTER TABLE "social_links" ADD CONSTRAINT "social_links_site_id_sites_id_fk" FOREIGN KEY ("site_id") REFERENCES "public"."sites"("id") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint
+CREATE INDEX "nav_links_site_position_order_idx" ON "nav_links" USING btree ("site_id","position","sort_order");--> statement-breakpoint
+CREATE INDEX "social_links_site_order_idx" ON "social_links" USING btree ("site_id","sort_order");