* Changed positive XP gains to green text, instead of default white.
* Positive XP gains now represented by a '+' instead of a number.
* number of '+' symbols generated are equal to _addedPoints value and location of spawn is randomly generated.
* Implemented sway animation for '+' symbols
* Made coloring gainColor consistent and removed the previous hardcode
* '+' symbols now sway individually instead of swaying in unison.
* Implemented plus animation (volcano spray)
* Fixed font size typo in progress_indicator.dart
* Recommented enviorment.
* dev: deleted formatting file
* feat: speed up and spread out animation, show similar animation for losing points
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Co-authored-by: Hamoda434 <hamoda434@hotmail.com>
Co-authored-by: ggurdin <ggurdin@gmail.com>
