introducing "phi" command

[yegor256]

See #207

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PR-Codex overview

This PR focuses on improving the code structure and organization by using object destructuring in several files.

Detailed summary

• Updated import statements to use object destructuring in audit.js, test_mvnw.js, link.js, transpile.js, register.js, verify.js, parse.js, compile.js, assemble.js, phi.js.
• Modified the mvnw.js file to export a flags function and update the mvnw function to use object destructuring and the flags function.

The following files were skipped due to too many changes: test/commands/test_phi.js

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[yegor256]

@rultor merge

[rultor]

@rultor merge

@yegor256 OK, I'll try to merge now. You can check the progress of the merge here

[rultor]

@rultor merge

@yegor256 Done! FYI, the full log is here (took me 7min)