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/0002_brief_proemial_gods.sql

@@ -0,0 +1,21 @@
+CREATE TABLE "events" (
+	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
+	"site_id" uuid NOT NULL,
+	"title" text NOT NULL,
+	"description" text,
+	"event_type" text DEFAULT 'screening' NOT NULL,
+	"start_time" timestamp with time zone NOT NULL,
+	"end_time" timestamp with time zone,
+	"timezone" text DEFAULT 'America/New_York' NOT NULL,
+	"location" text,
+	"external_link" text,
+	"image_cdn_key" text,
+	"is_published" boolean DEFAULT false NOT NULL,
+	"is_recurring" boolean DEFAULT false 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 "events" ADD CONSTRAINT "events_site_id_sites_id_fk" FOREIGN KEY ("site_id") REFERENCES "public"."sites"("id") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint
+CREATE INDEX "events_site_start_idx" ON "events" USING btree ("site_id","start_time");--> statement-breakpoint
+CREATE INDEX "events_site_published_idx" ON "events" USING btree ("site_id","is_published");