[Docs] Spanish translation (#7068)

[Docs] Spanish translation (#7068)

* add all translation docs to translating.md

* Adding Spanish folder and README.md

* Adding Spanish to the langs file

* Adding a Spanish summary file

* Small corrections on the Spanish README file

* Adding Spanish newbs.md

* Translate some newbs documentation

* Adding the translated newbs getting started file

* Adding the building firmware file

* Adding a translated building firmware with configurator file

* Adding the flashing guide

* Adding the newbs_testing_debugging file

* Apply suggestions from code review

* QMK Configurator -> Configurador QMK

Co-Authored-By: Karey Higuera <karey.higuera@gmail.com>