chore: Extend Makefile with Testing, Formatting, and Analysis Targets

[malgus01]

Summary

This PR enhances the project’s Makefile by expanding its list of declared phony targets, ensuring reproducibility, consistency, and better developer workflows.
The new entries provide explicit hooks for testing, formatting, linting, and security analysis.

Changes

• Added test-related targets:
  • test-verbose
  • test-gas
  • test-coverage
  • test-unit
  • test-integration
  • test-fork
  • test-specific
  • test-watch
• Added quality & analysis targets:
  • fmt
  • fmt-check
  • lint
  • analyze
  • mythril
  • audit-prep

Motivation

• Consistency: Declaring all common developer commands as .PHONY avoids filename collisions and improves predictability.
• Developer Experience: Contributors now have clearer entry points for testing, formatting, and auditing workflows.
• Audit Readiness: Explicit targets like mythril and audit-prep help streamline the security review process.

Next Steps

• Implement or refine the underlying commands for each target (if not already defined).
• Integrate these into CI pipelines for automated enforcement of testing, linting, and formatting standards.
• Document usage in the project’s contributor guide.

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✅ Improves maintainability, testing workflows, and security audit preparation.