Proposal for the first stable version of [Sube](https://github.com/valibre-org/sube) a lightweight client library(and CLI) for submitting extrinsics to substrate based chains. More info in the [full proposal post](https://kusama.polkassembly.io/post/616)

- The proposal is about creating a stable version of a client library called Sube.
- Sube is used for submitting extrinsics to substrate based chains.
- The proposal includes a link to the full post for more information.
- The library is lightweight and also has a command-line interface (CLI).
- The proposal is posted on the Polkassembly website.

Requested: 0.80 undefined

#92 VLN: Sube v1.0