Initial .mailmap to unify (full names) names and join across multiple identities

[yarikoptic]

Motivation

To simplify assembling list of contributors. Use git shortlog -sn to view them all

might later be copied as a starting to point to other repos

Current `git shortlog -sn` after this change

❯ git shortlog -sn
  1958  Andrew Tritt
   329  Ben Dichter
   321  Oliver Ruebel
   203  Ryan Ly
   105  Jean-Christophe Fillion-Robin
   103  Doruk Ozturk
    89  bendichter
    69  Nicholas Seattle
    61  Thomas Braun
    47  Nile Graddis
    21  Tom Davidson
    19  mavaylon1
    13  David Camp
    12  Cody Baker
    10  Szonja Weigl
     8  Jay R Bolton
     8  Matthias Kastner
     7  Yaroslav Halchenko
     5  Jed Perkins
     5  Tom Donoghue
     5  dorukozturk
     4  Eric Miller
     4  John Yearsley
     4  Mario
     4  Michael Grauer
     3  !git for-each-ref --format='%(refname:short)' `git symbolic-ref HEAD`
     3  Matthew Avaylon
     3  arokem
     3  ls
     3  matthias
     2  Darin Erat Sleiter
     2  Justin Kiggins
     2  Lowell Umayam
     1  Heberto Mayorquin
     1  Iouri Khramtsov
     1  Kevin
     1  Mario Melara
     1  Nicholas Nadeau, P.Eng., AVS
     1  charles
     1  dcamp_lbl
     1  dependabot[bot]
     1  jeff Teeters

Checklist

• Did you update CHANGELOG.md with your changes?
• Have you checked our Contributing document?
• Have you ensured the PR clearly describes the problem and the solution?
• Is your contribution compliant with our coding style? This can be checked running flake8 from the source directory.
• Have you checked to ensure that there aren't other open Pull Requests for the same change?
• Have you included the relevant issue number using "Fix #XXX" notation where XXX is the issue number? By including "Fix #XXX" you allow GitHub to close issue #XXX when the PR is merged.

[codecov]

Codecov Report

Merging #1783 (10a17b2) into dev (2aceed0) will decrease coverage by 8.29%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##              dev    #1783      +/-   ##
==========================================
- Coverage   91.75%   83.46%   -8.29%     
==========================================
  Files          27       27              
  Lines        2619     2619              
  Branches      684      684              
==========================================
- Hits         2403     2186     -217     
- Misses        141      346     +205     
- Partials       75       87      +12     

Flag	Coverage Δ
integration	?
unit	83.46% <ø> (ø)

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see 14 files with indirect coverage changes

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[oruebel]

@yarikoptic I implemented this across all NWB repos in the nwb project analytics NeurodataWithoutBorders/nwb-project-analytics#27 Once that PR is merged, the listing will be added to the nwb-overview website on the next automatic update https://nwb-overview.readthedocs.io/en/latest/nwb-project-analytics/docs/source/code_stat_pages/code_stats_main.html