feat(stats): add platform statistics and landing blocks

Add PlatformStats component to stats page. Extract YearBars from
FinishedStats for reuse on landing. Add three blocks to landing: games
per platform, top genres, finished per year. Update translations.

src/utils/tiles.js

@@ -16,6 +16,7 @@ const STAT_TILES = {
     STATS_TASTE: {M: 6, L: 12},
     STATS_HABITS: {M: 6, L: 12},
     STATS_FINISHED: {M: 6, L: 12},
+    STATS_PLATFORMS: {M: 6, L: 12},
 };
 
 export const DASHBOARD_TILES = {