Spanish translation

     This is the complete translation for Spanish for S2_6 branch.

     Can somebody commit this?

     Thanks

El 18/10/2021 a les 4:18, Marko Lindqvist ha escrit:
>   I have preliminary release dates for 2.6.6 and 3.0.0-RC1.
>
>   For 2.6.6 we need to release it as soon as possible after New Year,
> and the first opportunity seems to be Friday 07.01.2022.
>
>   Final 3.0.0 is expected in March. As RC needs to be released a week
> earlier than the final release, the first possible date for 3.0.0-RC1
> is Friday 25.02.2022.
>
>
>   - ML
>