fix(css): importing global style sheet by default in the root of the project

[JayaKrishnaNamburu]

fixes #536

Importing global style sheet by default in the entry of the file by default for css and css-modules.

[codecov]

Codecov Report

Merging #537 (14ff5b8) into development (909285c) will decrease coverage by 0.00%.
The diff coverage is 33.33%.

@@               Coverage Diff               @@
##           development     #537      +/-   ##
===============================================
- Coverage        74.15%   74.15%   -0.01%     
===============================================
  Files              161      161              
  Lines             5800     5796       -4     
  Branches          1349     1348       -1     
===============================================
- Hits              4301     4298       -3     
+ Misses            1418     1417       -1     
  Partials            81       81              

Impacted Files	Coverage Δ
packages/teleport-plugin-css-modules/src/index.ts	90.29% <0.00%> (ø)
...ges/teleport-uidl-validator/src/validator/utils.ts	71.20% <ø> (ø)
packages/teleport-plugin-css/src/index.ts	83.65% <50.00%> (+0.32%)	⬆️

---

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 909285c...14ff5b8. Read the comment docs.