Receptionist guide for execution added

ws/src/frida_task_manager/README.md

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+# Instructions for executing tasks
+
+## Receptionist
+
+The task manager in charge of executing this task is `receptionist_task_manager.py`.
+
+### HRI
+
+The launch file `language_processing.launch` executes *almost* all the neccesary nodes for the **language proccessing** pipeline:
+- `command_interpreter.py`: Receives raw text and publishes processed commands. 
+- `conversation.py`: Receives instructions to interact with the user when receiving the interact or ask commands.
+- `stop_lister.py`: Stops the robot when listening the keyword **stop**.
+- `guest_analyzer.py`: Uses the GPT vision model to extract characteristics from the guest's face.
+
+The launch file `speech.launch` executes the **speech** pipeline. Make sure to make the neccesary setup steps in the devices being used. (Refer to this [README](https://github.com/RoBorregos/home-hri/tree/main/ws/src/speech)).
+
+### Vision
+
+The launch file `receptionist.launch` executes the nodes needed:
+- `FaceRecognition.py`: Find faces and returns the bounding boxes. Assign names when calling the service `/new_name`.
+- `PersonDetection.py`: Checks if there is a person's body with the `/check_person`service. And includes the `/find_seat` service, it's in this node to avoid loading the Yolo model twice.
+
+### Manipulation
+`arm_joint_server`: For moving the arm to predefined locations or following a face.
+
+### Navigation
+Nodes neccesary for navigation between rooms.