Add support to intsall a tool via go get

[LinuxSuRen]

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[codecov]

Codecov Report

Merging #108 (629fc97) into master (464be2c) will decrease coverage by 0.98%.
The diff coverage is 2.94%.

@@            Coverage Diff             @@
##           master     #108      +/-   ##
==========================================
- Coverage   17.50%   16.52%   -0.99%     
==========================================
  Files          20       20              
  Lines         554      587      +33     
==========================================
  Hits           97       97              
- Misses        446      479      +33     
  Partials       11       11              

Flag	Coverage Δ
unittests	16.52% <2.94%> (-0.99%)	⬇️

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Impacted Files	Coverage Δ
cmd/get.go	0.00% <0.00%> (ø)
cmd/install.go	0.00% <0.00%> (ø)
cmd/util.go	26.19% <100.00%> (ø)

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