[Stardust] Transport WIP

[kwek20]

Description of change

Updated transport for the shimmer network

todo:

• Make indexing plugin/inx for tagged payloads without requiring utxo
• Implement inx into tangle
• Update utangle with shimmer impl of iota.rs

Type of change

• Breaking change (fix or feature that would cause existing functionality to not work as expected)

How the change has been tested

Change checklist

• [] I have followed the contribution guidelines for this project
• [] I have performed a self-review of my own code
• [] I have commented my code, particularly in hard-to-understand areas
• [] I have made corresponding changes to the documentation
• [] I have added tests that prove my fix is effective or that my feature works
• [] New and existing unit tests pass locally with my changes