Update Docker alias to allow AWS SSO + additional clarity

[datfinesoul]

What changed?

• Updated the alias in the documentation

Rationale

• -e HOME was required in order to make AWS SDK figure out where the .aws/sso/cache folder lives
• -e AWS_PROFILE was changed to pick up the current profile when running iambic as an alias
• <local_dir\> was changed for clarity
• -v ${HOME}/.aws:/app/.aws:ro was changed since write access to this directory should not be required

How was it tested?

If it was manually verified, list the instructions for your reviewers to follow.

• Unit Tests
• Functional Tests
• Manually Verified

[CLAassistant]

All committers have signed the CLA.

[castrapel]

Thanks for the contribution! Keep 'em coming. Suggestion for read-only volume mount 🏅

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -10.24 ⚠️

Comparison is base (b45c61f) 85.25% compared to head (cdb12c7) 75.02%.

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #368       +/-   ##
===========================================
- Coverage   85.25%   75.02%   -10.24%     
===========================================
  Files          98       98               
  Lines       10624    10624               
===========================================
- Hits         9058     7971     -1087     
- Misses       1566     2653     +1087     

Flag	Coverage Δ
functional_tests	?
functional_tests_config_discovery	?
unit_tests	75.02% <ø> (ø)

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see 47 files with indirect coverage changes

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