DRY this implementation

[todo]

iol-api-node-wrapper/src/config/constants.ts

Lines 14 to 19 in 49341ad

	//TODO DRY this implementation
	fci: "/api/v2/Titulos/FCI",
	cotizacion: (mercado: string, simbolo: string) =>
	`/api/v2/${mercado}/Titulos/${simbolo}/Cotizacion`,
	opciones: (mercado: string, simbolo: string) =>
	`/api/v2/${mercado}/Titulos/${simbolo}/Opciones`,

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This issue was generated by todo based on a TODO comment in 49341ad when #19 was merged. cc @Apolofx.