* 112: refactors comment component a bit - replaces few onDo/onUndo methods with their toggle equivalent
* 112: refactors comment component a bit - replaces few onDo/onUndo methods with their toggle equivalent part 2
* revert it later
* Revert "revert it later"
This reverts commit f8bee04
* Adds engine section in package.json and sourcemaps generation in webpack
* Extracts Avatar as component
* Fixes typo, linting and bug
* Removes dev changes
* Fixes linter errors
* Fixes PR comments