feat(button): Add touch target

[trimox]

closes #2061

[codecov]

Codecov Report

Merging #2066 into master will increase coverage by 0.03%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #2066      +/-   ##
==========================================
+ Coverage   90.19%   90.22%   +0.03%     
==========================================
  Files         100      100              
  Lines        4252     4256       +4     
  Branches      551      551              
==========================================
+ Hits         3835     3840       +5     
+ Misses        207      206       -1     
  Partials      210      210

Impacted Files	Coverage Δ
packages/button/button.ts	100% <100%> (ø)	⬆️
packages/dialog/dialog.component.ts	85.33% <0%> (+1.33%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update aabb65f...b0daa21. Read the comment docs.