feat: add APIs to list and download public remote skills (#10448)

Add API to list / download from remote public skills

codex-rs/mcp-server/src/codex_tool_runner.rs

@@ -322,6 +322,8 @@ async fn run_codex_tool_session_inner(
                     | EventMsg::McpListToolsResponse(_)
                     | EventMsg::ListCustomPromptsResponse(_)
                     | EventMsg::ListSkillsResponse(_)
+                    | EventMsg::ListRemoteSkillsResponse(_)
+                    | EventMsg::RemoteSkillDownloaded(_)
                     | EventMsg::ExecCommandBegin(_)
                     | EventMsg::TerminalInteraction(_)
                     | EventMsg::ExecCommandOutputDelta(_)