Generate TypeScript semicolons

[Ketasaja]

Closes #70.

// Server generated by Zap v0.6.5 (https://github.com/red-blox/zap)
export const send_events: () => void;
export const MyEvent: {
    fire: (player: Player, value: number) => void;
    fire_all: (value: number) => void;
    fire_except: (except: Player, value: number) => void;
    fire_list: (list: Player[], value: number) => void;
};
export const AnEvent: {
    on: (callback: (player: Player, value: number) => void) => () => void;
};