feat: Add lottie animation when we upload files

[tevincent]

Swiss flag:

flag_light.mp4

flag.mp4

Gondola:

montain_gondola_light.mp4

mountain_gondola_dark.mp4

Safe:

safe_light.mp4

safe.mp4

[LunarX]

The dark mountain and gondola has lost its shadow on the mountain compared the static version and light version

[tevincent]

The dark mountain and gondola has lost its shadow on the mountain compared the static version and light version

I've updated the faulty lottie. It's good now.

[LunarX]

The light gondola animation has the gondola stop for a brief instant at the top and bottom of the cable but the dark gondola animation never stops

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[LunarX]

Not only do the light and dark flag not have the same flag size but also, in light mode the flag is not square and in dark mode the flag has strange red lines on the white cross:

[LunarX]

At the end of the safe animation, when it loops back to the start, the three little star shaped symbols jump to a new rotation angle which is staring