関連ワード:  github copilot chat in vs code    open github copilot chat in vs code    start github copilot chat in vs code    show github copilot chat in vs code    github copilot chat window in vs code    enable github copilot chat in vs code    github copilot chat history in vs code    github copilot chat shortcut in vs code    github copilot chat in visual studio code    github copilot chat vs code extension