feat: add disk space information to debug command

[tasosbit]

ℹ Overview

• Added the free space of the data dir in bytes and MB to the debug command. Available disk space is relevant in a lot of scenarios, including debugging "fast catchup takes too long to complete".
• Added nodekti version to the debug command

✅ Acceptance:

• Pre-commit checks pass

[tasosbit]

not tested on mac yet

[codecov]

Codecov Report

Attention: Patch coverage is 77.77778% with 2 lines in your changes missing coverage. Please review.

Please upload report for BASE (v1.2.0@d8b44a6). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
cmd/debug.go	77.77%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##             v1.2.0     #123   +/-   ##
=========================================
  Coverage          ?   47.05%           
=========================================
  Files             ?       76           
  Lines             ?     6116           
  Branches          ?        0           
=========================================
  Hits              ?     2878           
  Misses            ?     3015           
  Partials          ?      223           

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[cloudflare-workers-and-pages]

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View logs

[PhearZero]

Checks out on mac