feat(DrawerContainer): add style overrides to overlay and content (@ooHmartY)

[damusnet]

closes #38

[codecov]

Codecov Report

Merging #39 into master will not change coverage.
The diff coverage is 100%.

@@          Coverage Diff          @@
##           master    #39   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files           5      5           
  Lines          61     62    +1     
  Branches        9      9           
=====================================
+ Hits           61     62    +1

Impacted Files	Coverage Δ
src/DrawerOverlay.js	100% <ø> (ø)	⬆️
src/DrawerContentContainer.js	100% <ø> (ø)	⬆️
src/MainContentContainer.js	100% <ø> (ø)	⬆️
src/DrawerContainer.js	100% <100%> (ø)	⬆️

---

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 7e76a29...94aabd9. Read the comment docs.

[damusnet]

🎉 This PR is included in version 3.1.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀