feat(library): time to beat from IGDB

src/main/resources/application.yml

@@ -43,6 +43,12 @@ app:
     api-key: ${STEAM_API_KEY}
     base-url: https://api.steampowered.com
     imageService-url: https://cdn.cloudflare.steamstatic.com/steam/apps/
+  igdb:
+    # A Twitch developer app (dev.twitch.tv). Without both values time to beat is off.
+    client-id: ${IGDB_CLIENT_ID:}
+    client-secret: ${IGDB_CLIENT_SECRET:}
+    base-url: https://api.igdb.com/v4
+    token-base-url: https://id.twitch.tv
   library:
     sync-ttl-hours: 24
     force-sync-cooldown-seconds: 60
@@ -67,4 +73,9 @@ resilience4j:
         # Steam allows ~100k req/day. Cap at ~2 req/s to leave headroom for bursts.
         limit-for-period: 2
         limit-refresh-period: 1s
-        timeout-duration: 5s
+        timeout-duration: 5s
+      igdbApi:
+        # IGDB allows 4 requests/s. Taken per HTTP request.
+        limit-for-period: 4
+        limit-refresh-period: 1s
+        timeout-duration: 10s