added new method in storage to get storage type

Author: smalihaider-daasi

src/pyop/storage.py

@@ -95,6 +95,18 @@ def from_uri(cls, db_uri, collection, db_name=None, ttl=None, **kwargs):
 
         return ValueError(f"Invalid DB URI: {db_uri}")
 
+    @classmethod
+    def type(cls, db_uri):
+        url = urlparse(db_uri)
+        if url.scheme == "mongodb":
+            return "mongodb"
+        elif url.scheme == "redis" or url.scheme == "unix":
+            return "redis"
+        elif url.scheme == "stateless":
+            return "stateless"
+
+        return ValueError(f"Invalid DB URI: {db_uri}")
+
     @property
     def ttl(self):
         return self._ttl