Spark support: Add @turnkey/spark private package

[janjakubnanista]

Summary & Motivation

Step 1 for implementing a Turnkey-backed Spark signer - creating a new @turnkey/spark package and moving the existing signer implmentation from the spark example.

The package will not be published yet (private is set to true)

Notes

• pnpm override for @confio/[email protected]>protobufjs has been removed - this package is no longer with us
• pnpm override for protobufjs has been added due to a new vulnerability brought in by the @buildonspark/spark-sdk package
• examples/spark-with-schnorr has been renamed to examples/with-spark

How I Tested These Changes

Nohow yet

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[moeodeh3]

nit: can we remove generated-docs/sdks.json?

I believe this file is only used to generate our Mintlify docs. This definitely show that what we’re doing here is a bit confusing, but basically:

pnpm generate-docs is intended to be run only by our docs repo because it also performs other things too (like deleting this file afterward, since it’s supposed to be ephemeral!)

see here

[moeodeh3]

can we also add this new package to ci.json so it gets built in our CI sandbox job?

[janjakubnanista]

nit: can we remove generated-docs/sdks.json?

I believe this file is only used to generate our Mintlify docs. This definitely show that what we’re doing here is a bit confusing, but basically:

pnpm generate-docs is intended to be run only by our docs repo because it also performs other things too (like deleting this file afterward, since it’s supposed to be ephemeral!)

see here

Should we then .gitignore it?

[janjakubnanista]

can we also add this new package to ci.json so it gets built in our CI sandbox job?

done

[janjakubnanista]

can we also add this new package to ci.json so it gets built in our CI sandbox job?

done

undone