docs: update broken links to scylla docs

those were changed cause of scylla docs were refactored

Fix: #188

Author: fruch

docs/scylla_specific.rst

@@ -8,12 +8,12 @@ Shard Awareness
 As a result, latency is significantly reduced because there is no need to pass data between the shards.
 
 Details on the scylla cql protocol extensions
-https://github.com/scylladb/scylla/blob/master/docs/design-notes/protocol-extensions.md#intranode-sharding
+https://github.com/scylladb/scylla/blob/master/docs/dev/protocol-extensions.md#intranode-sharding
 
 For using it you only need to enable ``TokenAwarePolicy`` on the ``Cluster``
 
 See the configuration of ``native_shard_aware_transport_port`` and ``native_shard_aware_transport_port_ssl`` on scylla.yaml:
-https://github.com/scylladb/scylla/blob/master/docs/design-notes/protocols.md#cql-client-protocol
+https://github.com/scylladb/scylla/blob/master/docs/dev/protocols.md#cql-client-protocol
 
 .. code:: python