feat: Adding endpoints in leaderboard

src/assets/401-error.png

src/assets/friends.png

src/assets/globe.png

src/assets/items/adfree.png

src/assets/items/coffee.jpg

src/assets/items/piggybank.webp

src/assets/items/pirbad.png

src/assets/items/pirbadet.png

src/assets/items/viaplay.jpg

src/components/LeaderboardComponents/Leaderboard.vue

src/views/LeaderboardView.vue

src/views/NotFoundView.vue

src/views/ShopView.vue

src/views/UnauthorizedView.vue