Feat: display pretty stacktraces

[bcaudan]

Goal

WIth option displayStacktrace: 'pretty', report stacktraces elements in context:

Displayed colors are configurable from colors options:

colors: {
    ...
    prettyStacktraceFilename: "cyan",
    prettyStacktraceLineNumber: "yellow",
    prettyStacktraceColumnNumber: "yellow",
    prettyStacktraceError: "red",
}

Breaking changes

displayStacktrace options now take a value among none, raw and pretty.

[codecov]

Codecov Report

Merging #467 into master will not change coverage.
The diff coverage is 100%.

@@          Coverage Diff          @@
##           master   #467   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files          14     16    +2     
  Lines         446    498   +52     
  Branches       61     69    +8     
=====================================
+ Hits          446    498   +52

Impacted Files	Coverage Δ
src/display/colors-display.ts	100% <ø> (ø)	⬆️
src/processors/pretty-stacktrace-processor.ts	100% <100%> (ø)
src/spec-reporter.ts	100% <100%> (ø)	⬆️
src/configuration-parser.ts	100% <100%> (ø)	⬆️
src/main.ts	100% <100%> (ø)	⬆️
src/processors/default-processor.ts	100% <100%> (ø)	⬆️
src/configuration.ts	100% <100%> (ø)

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