Add support for private equity

prisma/migrations/20220430193522_added_private_equity_to_asset_sub_class/migration.sql

@@ -0,0 +1,2 @@
+-- AlterEnum
+ALTER TYPE "AssetSubClass" ADD VALUE 'PRIVATE_EQUITY';

prisma/schema.prisma

@@ -195,6 +195,7 @@ enum AssetSubClass {
   ETF
   MUTUALFUND
   PRECIOUS_METAL
+  PRIVATE_EQUITY
   STOCK
 }