Method addFileInput

src/webpage/settings.ts:2086–2099

(
		label: string,
		formName: string,
		{required = false, files = "one", clear = false} = {},
	)

			tfaCheck = true,
		} = {},
	) {
		this.traditionalSubmit = traditionalSubmit;
		this.name = name;
		this.tfaCheck = tfaCheck;
		this.method = method;
		this.submitText = submitText;
		this.options = new Options(name, this, {ltr, vsmaller});
		this.owner = owner;
		this.fetchURL = fetchURL;
		this.headers = headers;
		this.ltr = ltr;
		this.onSubmit = onSubmit;
	}
	setValue(key: string, value: any) {
		//the value can't really be anything, but I don't care enough to fix this
		this.values[key] = value;
	}