Add documentation for Option.fromNullable

[veiset]

No description provided.

[codecov]

Codecov Report

Merging #1030 into master will decrease coverage by 0.01%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##             master   #1030      +/-   ##
===========================================
- Coverage     47.31%   47.3%   -0.02%     
  Complexity      700     700              
===========================================
  Files           325     325              
  Lines          8365    8365              
  Branches        765     765              
===========================================
- Hits           3958    3957       -1     
  Misses         4122    4122              
- Partials        285     286       +1

Impacted Files	Coverage Δ	Complexity Δ
...ics/src/main/kotlin/arrow/optics/instances/mapk.kt	86.36% <0%> (-4.55%)	0% <0%> (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 ea2f788...3d2e160. Read the comment docs.

[pakoito]

LGTM! Thanks :D