feat: add seller saved views

database/migrations/0025_saved_views.sql

@@ -0,0 +1,11 @@
+CREATE TABLE "saved_views" (
+  "id" uuid PRIMARY KEY DEFAULT gen_random_uuid(),
+  "seller_id" uuid NOT NULL REFERENCES "sellers"("id") ON DELETE CASCADE,
+  "name" text NOT NULL,
+  "filters" jsonb DEFAULT '{}'::jsonb NOT NULL,
+  "created_at" timestamptz DEFAULT now() NOT NULL,
+  "updated_at" timestamptz DEFAULT now() NOT NULL
+);
+
+CREATE UNIQUE INDEX "saved_views_seller_name_unique"
+  ON "saved_views" ("seller_id", "name");