Defering CSS loading

[brunosabot]

Hi,

this PR is here to solve the #24 issue.
The solution is based on https://web.dev/defer-non-critical-css/

[codecov-commenter]

Codecov Report

Merging #26 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #26   +/-   ##
=======================================
  Coverage   97.77%   97.77%           
=======================================
  Files           2        2           
  Lines          45       45           
  Branches       15       15           
=======================================
  Hits           44       44           
  Misses          1        1           

Impacted Files	Coverage Δ
src/gatsby-ssr.js	100.00% <ø> (ø)

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[brunosabot]

Hello @weirdpattern!
Is there anything missing/wrong I can fix?

[weirdpattern]

Hi @brunosabot no, everything is fine. Sorry I didn't get to this sooner.
I will merge now and publish tonight.

[brunosabot]

Awesome thanks!

[santiq]

@weirdpattern Hi there! Can you publish this update?
Thanks!

[weirdpattern]

Hey @santiq I'm working on this tonight, but some of the tests are failing for me, so I'm reviewing the merged commits.
I will post another update in a few hours.

Sorry for the delay... I've work in healthcare and things are going crazy at work.

[weirdpattern]

All right people, v1.1.10 is finally out.

I apologize for the long wait, hopefully the wait will be worth it.
Reach out to me if you have questions comments or concerns.