minor #12035 info about JWT token generation required (rafbit)
minor #12035 info about JWT token generation required (rafbit)

This PR was merged into the 1.9-dev branch.

Discussion
----------

Added info about JWT token generation required to use API.

| Q               | A
| --------------- | -----
| Branch?         | 1.8 and master
| Bug fix?        | no
| New feature?    | no
| BC breaks?      | no
| Deprecations?   | no
| Related tickets | no
| License         | MIT




Commits
-------

c45b1d9f2e7b587c9d55230c514ac56df513bb3e info about JWT token generation required
f30e87393822cbd978a191cfd16a31355f52468f Update docs/api/index.rst

lchrusciel/Sylius,101medialab/Sylius,Arminek/Sylius,antonioperic/Sylius,101medialab/Sylius,101medialab/Sylius,SyliusBot/Sylius,Zales0123/Sylius,Arminek/Sylius,lchrusciel/Sylius,SyliusBot/Sylius,GSadee/Sylius,GSadee/Sylius,pamil/Sylius,diimpp/Sylius,antonioperic/Sylius,loic425/Sylius,Arminek/Sylius,Sylius/Sylius,Zales0123/Sylius,SyliusBot/Sylius,antonioperic/Sylius,kayue/Sylius,loic425/Sylius,kayue/Sylius,diimpp/Sylius,Sylius/Sylius,kayue/Sylius,Sylius/Sylius,pamil/Sylius,loic425/Sylius,lchrusciel/Sylius,GSadee/Sylius,pamil/Sylius,Zales0123/Sylius,diimpp/Sylius