Add straglr to tools list

[creisle]

Related to bcgsc/mavis#317

[codecov-commenter]

Codecov Report

Merging #8 (1b2624d) into develop (b2dd465) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop       #8   +/-   ##
========================================
  Coverage    89.65%   89.65%           
========================================
  Files            2        2           
  Lines          174      174           
  Branches        50       50           
========================================
  Hits           156      156           
  Misses          11       11           
  Partials         7        7           

Flag	Coverage Δ
unittests	89.65% <ø> (ø)

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[zhemingfan]

Looks good.