45 create billing core tables (#4096)

* Add self billing feature flag

* Add two core tables for billing

* Remove useless imports

* Remove graphql decorators

* Rename subscriptionProduct table

package.json

@@ -155,6 +155,7 @@
     "scroll-into-view": "^1.16.2",
     "semver": "^7.5.4",
     "sharp": "^0.32.1",
+    "stripe": "^14.17.0",
     "ts-key-enum": "^2.0.12",
     "tslib": "^2.3.0",
     "tsup": "^8.0.1",