Part of [Service provider auctions for web deployments](https://www.notion.so/Service-provider-auctions-for-web-deployments-104a6b22d47280dbad51d28aa3a91d75)
- Update repository to `cerc-io/snowballtools-base` in `stack.yml`
- Update command to build backend package
Co-authored-by: Adw8 <adwaitgharpure@gmail.com>
Reviewed-on: #2
Co-authored-by: nabarun <nabarun@noreply.git.vdb.to>
Co-committed-by: nabarun <nabarun@noreply.git.vdb.to>
