fix: full size canvas plus eraser#4

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rvstowrn wants to merge 9 commits intosrm-kzilla:masterfrom

rvstowrn:master

Commits on Jul 23, 2020

Commits on Aug 2, 2020

design_changes: color picker and icons changed for responsice design
rvstowrn
committed

Commits on Nov 21, 2020