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.

README.md

@@ -30,7 +30,9 @@ To Be Played is split into three repositories:
   repeats, and "Start playing" in one click.
 - **Your stats** (`/stats`): totals and statuses; the pile in hours, in weeks at your pace of the last 90 days and in
   years of full-time work, and its oldest unplayed game; most played and most loyal games; top genres and moods;
-  trips to the moon, the longest gaming day, games started but under one hour; finished games per year.
+  trips to the moon, the longest gaming day, games started but under one hour; finished games per year; games per platform.
+- **Landing page**: next to the community numbers and the top games, three blocks: games per platform, top genres and
+  finished games per year of all users.
 - **Library**: status filters, "short games" filter (up to 10 h), search, sorting by playtime, recently seen, newest
   in library, rating or priority, paging. Each row shows the unlocked achievements.
 - **Add a game by name** for games outside Steam (PlayStation, Switch, Xbox, physical): search IGDB, pick a hit,