feat: implement config setup for each component in bare-metal mode

[shawnh2]

• add merge operation for bare-metal config file
• Closes: Support complete configuration of gretimedb in bare metal mode #80

[codecov-commenter]

Codecov Report

Patch coverage: 29.90% and project coverage change: -0.38% ⚠️

Comparison is base (1cd3b44) 32.02% compared to head (49d82ef) 31.64%.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #153      +/-   ##
===========================================
- Coverage    32.02%   31.64%   -0.38%     
===========================================
  Files            9       11       +2     
  Lines         1296     1384      +88     
===========================================
+ Hits           415      438      +23     
- Misses         787      839      +52     
- Partials        94      107      +13     

Files Changed	Coverage Δ
pkg/cmd/gtctl/cluster/create/create.go	0.00% <0.00%> (ø)
pkg/deployer/baremetal/deployer.go	33.44% <8.00%> (-2.43%)	⬇️
pkg/deployer/baremetal/config.go	33.33% <33.33%> (ø)
pkg/utils/file/yaml.go	47.82% <47.82%> (ø)
pkg/deployer/baremetal/validate.go	80.00% <100.00%> (-4.22%)	⬇️

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