add placeholder implementations of workflow rule rpcs

Author: THardy98

client/src/raw.rs

@@ -836,7 +836,7 @@ proxier! {
         |r| {
             let labels = namespaced_request!(r);
             r.extensions_mut().insert(labels);
-        }
+        }   
     );
     (
         count_workflow_executions,
@@ -847,6 +847,31 @@ proxier! {
             r.extensions_mut().insert(labels);
         }
     );
+    (
+        create_workflow_rule,
+        CreateWorkflowRuleRequest,
+        CreateWorkflowRuleResponse
+    );
+    (
+        describe_workflow_rule,
+        DescribeWorkflowRuleRequest,
+        DescribeWorkflowRuleResponse
+    );
+    (
+        delete_workflow_rule,
+        DeleteWorkflowRuleRequest,
+        DeleteWorkflowRuleResponse
+    );
+    (
+        list_workflow_rules,
+        ListWorkflowRulesRequest,
+        ListWorkflowRulesResponse
+    );
+    (
+        trigger_workflow_rule,
+        TriggerWorkflowRuleRequest,
+        TriggerWorkflowRuleResponse
+    );
     (
         get_search_attributes,
         GetSearchAttributesRequest,