Add textarea form component

[rohithbalaji123]

Part of #612

New Behavior

Description

Add a textarea form field to allow users to input multiple lines.

Screenshots

[codecov]

Codecov Report

Merging #931 into master will increase coverage by 30.14%.
The diff coverage is 83.33%.

@@             Coverage Diff             @@
##           master     #931       +/-   ##
===========================================
+ Coverage   22.87%   53.02%   +30.14%     
===========================================
  Files          73      137       +64     
  Lines        1307     3389     +2082     
  Branches      164      165        +1     
===========================================
+ Hits          299     1797     +1498     
- Misses       1008     1529      +521     
- Partials        0       63       +63     

Flag	Coverage Δ
#golang	71.91% <ø> (?)
#typescript	23.15% <83.33%> (+0.27%)	⬆️

Impacted Files	Coverage Δ
frontend/src/component/form/TextAreaField.tsx	83.33% <83.33%> (ø)
backend/app/adapter/gqlapi/resolver/viewer.go	0.00% <0.00%> (ø)
backend/app/adapter/gqlapi/resolver/change.go	0.00% <0.00%> (ø)
backend/app/adapter/sqldb/facebooksso.go	56.86% <0.00%> (ø)
backend/app/adapter/gqlapi/resolver/authquery.go	31.11% <0.00%> (ø)
backend/app/usecase/sso/identityprovider_fake.go	75.00% <0.00%> (ø)
backend/app/usecase/shortlink/retriever.go	92.59% <0.00%> (ø)
backend/app/adapter/sqldb/time.go	100.00% <0.00%> (ø)
backend/app/adapter/sqldb/user_changelog.go	92.85% <0.00%> (ø)
backend/app/adapter/google/account.go	100.00% <0.00%> (ø)
... and 55 more

---

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 25cc4de...778a378. Read the comment docs.

[magicoder10]

Ideally we should add automated test for this one.