dbos -> dbos-sdk

[devhawk]

Fix places in ecommerce demo that were using npx dbos start

[chuck-dbos]

Could we also do:
./yky-social/create-openapi-client.sh:npx dbos openapi src/operations.ts
./e-commerce/payment-frontend/create-openapi-client.sh:npx dbos openapi src/operations.ts
./e-commerce/shop-frontend/create-openapi-client.sh:npx dbos openapi src/operations.ts

[chuck-dbos]

I didn't know you could do this.