Add `-HumanReadable` switch for ms duration formatting

[domsleee]

Salutations👋

I was using this script to speed up my pwsh startup time, and I found the duration formatting a bit hard to read

Is there any interest in a -HumanReadable flag or similar to format the durations?

~ ❯ pwsh -NoProfile {
    Import-Module ~\git\PSProfiler\src\PSProfiler.psd1
    Measure-Script -Path ~\git\posh-git\src\all.ps1
}

    ~\git\posh-git\src\all.ps1


      Count  Line       Time Taken Statement
      -----  ----       ---------- ---------
          0     1    00:00.0000000
          1     2    00:00.0412562 . $PSScriptRoot\ConsoleMode.ps1
          1     3    00:00.0323621 . $PSScriptRoot\Utils.ps1
          1     4    00:00.0093024 . $PSScriptRoot\AnsiUtils.ps1
          1     5    00:00.0035924 . $PSScriptRoot\WindowTitle.ps1
          1     6    00:00.0070591 . $PSScriptRoot\PoshGitTypes.ps1
          1     7    00:00.0085255 . $PSScriptRoot\GitUtils.ps1
          1     8    00:00.0501589 . $PSScriptRoot\GitPrompt.ps1
          1     9    00:00.0049326 . $PSScriptRoot\GitParamTabExpansion.ps1
          1    10    00:00.0839039 . $PSScriptRoot\GitTabExpansion.ps1
          1    11    00:00.0057058 . $PSScriptRoot\TortoiseGit.ps1

~ ❯ pwsh -NoProfile {
    Import-Module ~\git\PSProfiler\src\PSProfiler.psd1
    Measure-Script -HumanReadable -Path ~\git\posh-git\src\all.ps1
}

    ~\git\posh-git\src\all.ps1


      Count  Line       Time Taken Statement
      -----  ----       ---------- ---------
          0     1              0ms
          1     2             27ms . $PSScriptRoot\ConsoleMode.ps1
          1     3             31ms . $PSScriptRoot\Utils.ps1
          1     4              9ms . $PSScriptRoot\AnsiUtils.ps1
          1     5              4ms . $PSScriptRoot\WindowTitle.ps1
          1     6              7ms . $PSScriptRoot\PoshGitTypes.ps1
          1     7              8ms . $PSScriptRoot\GitUtils.ps1
          1     8             48ms . $PSScriptRoot\GitPrompt.ps1
          1     9              5ms . $PSScriptRoot\GitParamTabExpansion.ps1
          1    10             94ms . $PSScriptRoot\GitTabExpansion.ps1
          1    11              5ms . $PSScriptRoot\TortoiseGit.ps1