Added convenience constructor that takes DispatchTimeInterval for dur…

[randcode-generator]

…ation

Summary: We currently use CGFloat for duration but we wanted to include DispatchTimeInterval because of it’s cleaner time APIs.

Tags: #material_motion

Usage: delay(by: .milliseconds(500)) delay(by: .seconds(1))

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[codecov[bot]]

Codecov Report

Merging #107 into develop will increase coverage by 0.1%. The diff coverage is 37.5%.

@@            Coverage Diff             @@
##           develop     #107     +/-   ##
==========================================
+ Coverage     27.3%   27.41%   +0.1%     
==========================================
  Files           80       81      +1     
  Lines         2227     2251     +24     
==========================================
+ Hits           608      617      +9     
- Misses        1619     1634     +15

Impacted Files	Coverage Δ
src/interactions/TransitionTween.swift	0% <0%> (ø)	:arrow_up:
src/interactions/PathTween.swift	0% <0%> (ø)	:arrow_up:
src/interactions/Tween.swift	0% <0%> (ø)	:arrow_up:
src/operators/delayBy.swift	100% <100%> (ø)	:arrow_up:
src/common/DispatchTimeIntervalToSeconds.swift	50% <50%> (ø)

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[jverkoey]

Awesome!

[jverkoey]

Will merge once Travis CI has returned with the results.