Enable all command line options to be provided by the .dojorc config file

[agubler]

Type: feature

The following has been addressed in the PR:

• [x] There is a related issue
• [x] All code has been formatted with prettier as per the readme code style guidelines
• [x] Unit or Functional tests are included in the PR

Description:

Enable all command line options to be specified via the .dojorc but still overridable by the command line when explicitly specified.

Order of precedence:

1) Explicitly specified command line options 2) .dojorc configuration 3) Default value for command line options

Resolves #210

[codecov[bot]]

Codecov Report

Merging #217 into master will increase coverage by 0.32%. The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #217      +/-   ##
==========================================
+ Coverage   94.74%   95.06%   +0.32%     
==========================================
  Files          19       19              
  Lines         476      507      +31     
  Branches       62       69       +7     
==========================================
+ Hits          451      482      +31     
  Misses         13       13              
  Partials       12       12

Impacted Files	Coverage Δ
src/registerCommands.ts	100% <100%> (ø)	:arrow_up:

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[agubler]

@tomdye yup good point I'll add a section in the readme

[agubler]

@tomdye added a section in the readme on the dojorc.