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/go.mod

@@ -0,0 +1,10 @@
+module github.com/tiennm99/loldle-data
+
+go 1.25.5
+
+require github.com/PuerkitoBio/goquery v1.12.0
+
+require (
+	github.com/andybalholm/cascadia v1.3.3 // indirect
+	golang.org/x/net v0.52.0 // indirect
+)