feat(sdk-coin-apt): staking delegate instruction

[haritkapadia]

Description

Add support for 0x1::delegation_pool::add_stake instruction.

Structure is copied from existing transfer and fungible_transfer transaction implementations.

Issue Number

TICKET: SC-3599

Type of change

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

Unit tests.

On chain transaction: https://explorer.aptoslabs.com/txn/0xe2b45394db28de9498d178878ed01a75fa69da862ea6ab03aabbff0fa64a68e9?network=testnet

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• My code compiles correctly for both Node and Browser environments
• I have commented my code, particularly in hard-to-understand areas
• My commits follow Conventional Commits and I have properly described any BREAKING CHANGES
• The ticket or github issue was included in the commit message as a reference
• I have made corresponding changes to the documentation and on any new/updated functions and/or methods - jsdoc
• 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