feat: rewrite LoLdleData in Go

4-stage pipeline: fetch ddragon champions, enrich with release dates
(wiki scrape), regions (Universe API), and lanes (wiki scrape).
Concurrent gender detection via goroutines with semaphore.

data/.gitignore

@@ -24,6 +24,12 @@ profile.cov
 go.work
 go.work.sum
 
+# Output
+champions.json
+
+# Reference clone
+LoLdleData/
+
 # env file
 .env