Adds support for Parity addReservedPeer for Management of PoA Parity Clusters

web3/parity.py

@@ -35,6 +35,12 @@ def netPeers(self):
             "parity_netPeers",
             [],
         )
+
+    def addReservedPeer(self, params):
+        return self.web3.manager.request_blocking(
+            "parity_addReservedPeer",
+            params,
+        )
 
     def traceReplayTransaction(self, transaction_hash, mode=['trace']):
         return self.web3.manager.request_blocking(