Upgrade threejs to 0.112 (workaround)

[makimenko]

• upgraded threejs to 0.112
• workaround applied (upgrade of typescript + polyfill)
• increased test coverage

[codecov]

Codecov Report

Merging #163 into master will increase coverage by 9.66%.
The diff coverage is 71.42%.

@@            Coverage Diff             @@
##           master     #163      +/-   ##
==========================================
+ Coverage   68.25%   77.91%   +9.66%     
==========================================
  Files          77       78       +1     
  Lines         945      951       +6     
  Branches       92       94       +2     
==========================================
+ Hits          645      741      +96     
+ Misses        263      166      -97     
- Partials       37       44       +7

Impacted Files	Coverage Δ
projects/atft/src/lib/atft.module.ts	100% <ø> (ø)	⬆️
projects/atft/src/lib/stats/stats.service.ts	80% <100%> (+66.66%)	⬆️
projects/atft/src/test.ts	80% <50%> (-20%)	⬇️
src/polyfills.ts	75% <75%> (ø)
...ojects/atft/src/lib/raycaster/raycaster.service.ts	39.34% <0%> (+3.27%)	⬆️
...ts/atft/src/lib/object/text/text-mesh.component.ts	77.5% <0%> (+5%)	⬆️
...tft/src/lib/object/helper/grid-helper.component.ts	100% <0%> (+42.85%)	⬆️
...tft/src/lib/object/helper/axes-helper.component.ts	100% <0%> (+50%)	⬆️
... and 5 more

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