feat(positioning): auto option for positioning

[vfcosta]

This pull request is a proposal to solve #1111.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (development@9f833eb). Click here to learn what that means.
The diff coverage is 76.47%.

@@              Coverage Diff               @@
##             development    #1986   +/-   ##
==============================================
  Coverage               ?   86.18%           
==============================================
  Files                  ?       78           
  Lines                  ?     2113           
  Branches               ?      280           
==============================================
  Hits                   ?     1821           
  Misses                 ?      198           
  Partials               ?       94

Impacted Files	Coverage Δ
src/popover/popover.config.ts	100% <ø> (ø)
src/popover/popover.directive.ts	100% <100%> (ø)
src/positioning/ng-positioning.ts	75.72% <75%> (ø)

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[valorkin]

tried different scenarios and there some positioning issues
@IlyaSurmay knew more details
we will get to this later a bit

[evandrojr]

+1 Very nice feature, hope it get fixed and merged soon!

@IlyaSurmay please, give us some sample code of the positioning issue happening. Maybe I can help.

Thanks

[leandronunes]

+1

[leandronunes]

@valorkin @IlyaSurmay could you please merge this code?

[Valery-vs]

+1

[evandrojr]

+1

[cannontechnology]

+1 ETA on when this will be merged?

[evandrojr]

Everything fine to me!

[EvilAlexei]

All is fine :)

[valorkin]

@vfcosta thanks for PR!