WIP: Relates to Closed PR #1134 and Issue #674. Add suri_path and password_path options to CLI

[ltfschoen]

Summary

Closes #674

• y | Does it introduce breaking changes?
• n | Is it dependent on the specific version of ink or pallet-contracts?

See description here #1134 (comment)

Allows user to provide either suri + password, or suri_path + password_path

Status

TODO's are included in the PR that I haven't been able to resolve, so I can't compile and update Cargo.lock

Description

Re-open PR #1134 that was previously closed.
See description here #1134 (comment)

Checklist before requesting a review

• My code follows the style guidelines of this project
• I have added an entry to CHANGELOG.md
• I have commented my code, particularly in hard-to-understand areas
• I have added tests that prove my fix is effective or that my feature works
• Any dependent changes have been merged and published in downstream modules