feat: add active subscribers table and payments table (#98)

Author: bassgeta

drizzle/0008_mysterious_celestials.sql

@@ -0,0 +1,2 @@
+ALTER TABLE "easyinvoice_recurring_payment" ADD COLUMN "payer" text NOT NULL;--> statement-breakpoint
+ALTER TABLE "easyinvoice_subscription_plans" ADD COLUMN "active" boolean DEFAULT true NOT NULL;