Thanks for everybody who helped me with my OSX wallet.
It took me a long time to find what was the issue. if anybody is in the same situation, here is what i did:
You have to create a 808.conf file and put it in a hidden folder under user/(yourname)/library(hidden)/application support/808
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show all files
https://ianlunn.co.uk/articles/quickly-showhide-hidden-files-mac-os-x-mavericks/---------------
Now the important part, text edit doesn't let you create a .conf directly.
Go to preferences:
under format: check plain text
under open and save: uncheck add .txt extension for plain text files
then RESTART the application
Open textedit and copy the nodes from this link:
https://novaexchange.com/addnodes/808/and save it as 808.conf in the right location.
The wallet should then synchronise (it took me a long day to synchronise the first time - you should see a progress bar if it does)
Hope it will help other mac users