feat: ability to lint and validate the nitric.yaml from json schema

[davemooreuws]

Note: Used a simple lock file for version check instead of parsing the JSON each time.

Should test against a published version of vscode ext before merging.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 46 lines in your changes missing coverage. Please review.

Project coverage is 1.29%. Comparing base (6e0a93d) to head (25546f4).
Report is 1 commits behind head on main.

Files	Patch %	Lines
pkg/schemas/schemas.go	0.00%	44 Missing ⚠️
pkg/paths/paths.go	0.00%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##            main    #735      +/-   ##
========================================
- Coverage   1.30%   1.29%   -0.01%     
========================================
  Files         78      79       +1     
  Lines       8224    8270      +46     
========================================
  Hits         107     107              
- Misses      8109    8155      +46     
  Partials       8       8              

Flag	Coverage Δ
unittests	1.29% <0.00%> (-0.01%)	⬇️

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