feat(timepicker): add timepicker component

[maksim-karatkevich]

Please read and mark the following check list before creating a pull request:

• I read and followed the CONTRIBUTING.md guide.
• I read and followed the New Feature Checklist guide.

Short description of what this resolves:

Closes #1168

[codecov]

Codecov Report

Merging #2402 into master will decrease coverage by 1.52%.
The diff coverage is 58.58%.

@@            Coverage Diff             @@
##           master    #2402      +/-   ##
==========================================
- Coverage   80.46%   78.94%   -1.53%     
==========================================
  Files         244      253       +9     
  Lines        7227     7759     +532     
  Branches      793      852      +59     
==========================================
+ Hits         5815     6125     +310     
- Misses       1173     1369     +196     
- Partials      239      265      +26     

Impacted Files	Coverage Δ
...eme/components/calendar-kit/calendar-kit.module.ts	100.00% <ø> (ø)
...heme/components/datepicker/datepicker.directive.ts	76.10% <ø> (ø)
...k/theme/components/datepicker/datepicker.module.ts	100.00% <ø> (ø)
...heme/components/timepicker/timepicker.directive.ts	22.95% <22.95%> (ø)
...ponents/datepicker/calendar-with-time.component.ts	45.94% <45.94%> (ø)
...amework/date-fns/services/date-fns-date.service.ts	68.75% <50.00%> (-4.59%)	⬇️
...k/theme/components/timepicker/timepicker.module.ts	50.00% <50.00%> (ø)
...lendar-kit/services/calendar-time-model.service.ts	55.17% <55.17%> (ø)
...components/datepicker/date-timepicker.component.ts	56.00% <56.00%> (ø)
...heme/components/timepicker/timepicker.component.ts	64.02% <64.02%> (ø)
... and 17 more

[yggg]

Also, check how date-timepicker looks with size set to large

[murbanowicz]

When is it suppose to be released? I cannot find any demo or so.