Leaderboard View (#332)

* LeaderboardView init

* back scores handling

* blah

* add score controller

* commit score on end of play

* front and back fix

* podium component

* push the button

* ill be baaack

* flex css thing

* pretty

* migration leaderboard

* feat(leaderboard): wip

* feat(leaderboard): pretty

* feat(leaderboard): i might be dumb

* fix(leaderboard): misuse of nullable() for totalScore User validator

back/prisma/schema.prisma

@@ -24,6 +24,7 @@ model User {
     googleID      String?         @unique
     isGuest       Boolean         @default(false)
     partyPlayed   Int             @default(0)
+    totalScore    Int             @default(0)
     LessonHistory LessonHistory[]
     SongHistory   SongHistory[]
     searchHistory SearchHistory[]