feat(examples): stackblitz preview with ivy enable

[SvetlanaMuravlova]

feat(examples): stackblitz preview with ivy enable
close #6300

[github-actions]

Visit the preview URL for this PR (updated for commit d204da6):

https://ngx-bootstrap-demo--pr6308-feat-try-stackblitz-myclaf18.web.app

_{(expires Tue, 26 Oct 2021 10:51:41 GMT)}

_{🔥 via Firebase Hosting GitHub Action 🌎}

[codecov]

Codecov Report

Merging #6308 (723fd81) into development (acd560b) will increase coverage by 1.17%.
The diff coverage is 74.07%.

❗ Current head 723fd81 differs from pull request most recent head d204da6. Consider uploading reports for the commit d204da6 to get more accurate results

@@               Coverage Diff               @@
##           development    #6308      +/-   ##
===============================================
+ Coverage        75.86%   77.04%   +1.17%     
===============================================
  Files              344      312      -32     
  Lines            10777    10863      +86     
  Branches          2547     2612      +65     
===============================================
+ Hits              8176     8369     +193     
+ Misses            2591     2482     -109     
- Partials            10       12       +2     

Impacted Files	Coverage Δ
apps/ngx-bootstrap-docs/src/app/app.component.ts	24.13% <ø> (-0.87%)	⬇️
...ngx-bootstrap-docs/src/environments/environment.ts	100.00% <ø> (ø)
apps/ngx-bootstrap-docs/src/ng-api-doc.ts	100.00% <ø> (ø)
src/alert/alert.component.html	100.00% <ø> (ø)
src/carousel/carousel.component.html	100.00% <ø> (ø)
src/carousel/carousel.component.ts	44.21% <68.88%> (+3.05%)	⬆️
apps/ngx-bootstrap-docs/src/app/app.routing.ts	22.72% <100.00%> (+3.67%)	⬆️
src/accordion/accordion-group.component.ts	93.54% <100.00%> (+6.45%)	⬆️
src/buttons/button-checkbox.directive.ts	92.10% <100.00%> (ø)
src/carousel/slide.component.ts	100.00% <100.00%> (ø)
... and 87 more

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[cypress]

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Test summary

87 • 0 • 6 • 0

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Run details

Project	ngx-bootstrap
Status	Passed
Commit	723fd81 ℹ️
Started	Oct 19, 2021 10:52 AM
Ended	Oct 19, 2021 10:57 AM
Duration	04:48 💡
OS	Linux Ubuntu - 20.04
Browser	Electron 87

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