feat: GET /article endpoint proxies Wikimedia structured contents

GET /article?username=alice&name=en.wikipedia/Sun
→ proxies to api.enterprise.wikimedia.com/v2/structured-contents/{name}
with Authorization: Bearer <access_token>

Returns 401 for unknown users, 400 if params missing,
and passes through the upstream HTTP status on errors.

1 files changed, 1 insertions, 0 deletions

diff --git a/main.go b/main.go
index f2cf44d..341a175 100644
--- a/main.go
+++ b/main.go
@@ -87,6 +87,7 @@ func main() {
 	mux.HandleFunc("POST /refresh", handler.Refresh)
 	mux.HandleFunc("GET /health", handler.Health)
 	mux.HandleFunc("GET /token", handler.GetToken)
+	mux.HandleFunc("GET /article", handler.GetArticle)
 
 	addr := fmt.Sprintf(":%d", cfg.Server.Port)
 	srv := &http.Server{