feat: add global 'NgbConfig'

[maxokorokov]

• extracting only NgbConfig-related code from feat(animation): bootstrap animations #2817
• adding unit tests

[codecov-io]

Codecov Report

Merging #3715 into animations will decrease coverage by 0.02%.
The diff coverage is 66.66%.

@@              Coverage Diff               @@
##           animations    #3715      +/-   ##
==============================================
- Coverage       91.34%   91.32%   -0.03%     
==============================================
  Files             100      102       +2     
  Lines            2971     2974       +3     
  Branches          548      548              
==============================================
+ Hits             2714     2716       +2     
- Misses            190      191       +1     
  Partials           67       67              

Flag	Coverage Δ
#e2e	56.15% <66.66%> (+0.01%)	⬆️
#unit	88.23% <66.66%> (-0.03%)	⬇️

Impacted Files	Coverage Δ
src/index.ts	100.00% <ø> (ø)
src/ngb-config.ts	50.00% <50.00%> (ø)
src/environment.ts	100.00% <100.00%> (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 ea59f88...989e600. Read the comment docs.