add v2 API routes for admin and bug report management with rate limiting

internal/routes/v1/v1.go

@@ -1,7 +1,9 @@
 package v1
 
 import (
+	emlyMiddleware "emly-api-go/internal/middleware"
 	"net/http"
+	"time"
 
 	"emly-api-go/internal/handlers"
 
@@ -15,6 +17,15 @@ import (
 func NewRouter(db *sqlx.DB) http.Handler {
 	r := chi.NewRouter()
 
+	rl := emlyMiddleware.NewRateLimiter(
+		5,              // 5 req/sec per IP
+		10,             // burst fino a 10
+		20,             // ban dopo 20 violazioni
+		15*time.Minute, // ban di 15 minuti
+	)
+
+	r.Use(rl.Handler)
+
 	r.Use(func(next http.Handler) http.Handler {
 		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 			w.Header().Set("X-Server", "emly-api-go")