Add option to create config for rhc-worker-bash

[andywaltlova]

Fixes #41

Yaml config at '/etc/rhc/workers/rhc-worker-bash.yml' can now change behavior of worker, this is similar to rhc-worker-playbook (they have toml config, but since we are already using yaml module our config is also yaml)

[codecov-commenter]

Codecov Report

Patch coverage: 70.58% and project coverage change: +0.62 🎉

Comparison is base (8dd21f3) 60.91% compared to head (1d9672c) 61.53%.

❗ Current head 1d9672c differs from pull request most recent head 98cb943. Consider uploading reports for the commit 98cb943 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #50      +/-   ##
==========================================
+ Coverage   60.91%   61.53%   +0.62%     
==========================================
  Files           5        5              
  Lines         284      325      +41     
==========================================
+ Hits          173      200      +27     
- Misses         97      110      +13     
- Partials       14       15       +1     

Flag	Coverage Δ
go-1.20	61.53% <70.58%> (+0.62%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/main.go	0.00% <0.00%> (ø)
src/util.go	78.57% <93.47%> (+4.65%)	⬆️
src/runner.go	79.34% <100.00%> (+0.22%)	⬆️

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