init repo

internal/storage/cache/url.go

@@ -0,0 +1,12 @@
+package cache
+
+import "context"
+
+func IncrURLCount(ctx context.Context) (int64, error) {
+	key := "formula_recognition:url_count"
+	count, err := RedisClient.Incr(ctx, key).Result()
+	if err != nil {
+		return 0, err
+	}
+	return count, nil
+}