move signers to kit

[jkralik]

No description provided.

[codecov-io]

Codecov Report

Merging #22 into master will decrease coverage by 0.23%.
The diff coverage is 85.71%.

@@            Coverage Diff             @@
##           master      #22      +/-   ##
==========================================
- Coverage   53.35%   53.12%   -0.24%     
==========================================
  Files          20       19       -1     
  Lines        1147     1105      -42     
==========================================
- Hits          612      587      -25     
+ Misses        422      409      -13     
+ Partials      113      109       -4

Impacted Files	Coverage Δ
local/ownDevice.go	55% <85.71%> (+3.06%)	⬆️

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