code: def add_ssh_key(self, name: str, public_key: str) -> List[Dict]:
      data = {
          "name": name,
          "public_key": public_key,
      }
      resp = self._make_request("POST", "/ssh-keys", data)
      if resp.ok:
          return resp.json()["data"]
      resp.raise_for_status()
  
file_path: dstack/src/dstack/_internal/core/backends/lambdalabs/api_client.py
imports: from typing import Any, Dict, List, Optional
  import requests
label_desc: Use image node_id 8 for calling the LambdaAPIClient obj's underlying member method code with example usage: obj.add_ssh_key(name, public_key) and returns: resp