Sample Keystone Custom Upsert with Cascade Delete

Please let me know if we can do this better, more efficient.

Name		Name	Last commit message	Last commit date
Latest commit History 2 Commits
.gitignore		.gitignore
README.md		README.md
auth.ts		auth.ts
genericUpsert.ts		genericUpsert.ts
keystone.ts		keystone.ts
package.json		package.json
sample.graphql		sample.graphql
sample.json		sample.json
sample.png		sample.png
schema.graphql		schema.graphql
schema.prisma		schema.prisma
schema.ts		schema.ts
test.ts		test.ts
tsconfig.json		tsconfig.json
upsertSamples.ts		upsertSamples.ts
yarn.lock		yarn.lock

phifa/keystone-upsert-with-cascade-delete