fix spelling / grammar / style

(I already submitted this via the feedback button, but it does not appear to have worked ... will do some more testing. That's why I am submitting this issue directly)

https://typo3.org/community/teams/typo3org/about-typo3org/

"TYPO3.org should likeable and friendly, like it’s community is"

should be

"TYPO3.org should be likeable and friendly, as its community is"

OR

"TYPO3.org should be likeable and friendly, like its community"