Update builder to go 1.17 and docs

[nguyer]

Signed-off-by: Nicko Guyer nicko.guyer@kaleido.io

[codecov-commenter]

Codecov Report

Merging #868 (60130bb) into main (72747b7) will increase coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #868      +/-   ##
==========================================
+ Coverage   99.95%   99.97%   +0.02%     
==========================================
  Files         299      299              
  Lines       19456    19456              
==========================================
+ Hits        19448    19452       +4     
+ Misses          6        4       -2     
+ Partials        2        0       -2     

Impacted Files	Coverage Δ
internal/tokens/fftokens/fftokens.go	100.00% <0.00%> (+0.44%)	⬆️
internal/apiserver/server.go	100.00% <0.00%> (+1.01%)	⬆️

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