[FIX] Correction suggestions related to local deployment of Neurobagel using graphDB

[FPa-riken]

Correction suggestions related to local deployment of Neurobagel :

• remove spurious trailing space which breaks multi-line command,
• add graphDB specific command example,

Checklist

• PR has an interpretable title with a prefix ([ENH], [FIX], [REF], [TST], [CI], [MNT], [INF]) (see https://neurobagel.org/contributing/pull_requests for more info)
• PR links to GitHub issue with mention Closes #XXXX
• Checks pass

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[alyssadai]

Hey @FPa-riken, welcome and thanks very much for your detailed corrections! 🎉

All your changes look good. One request before we merge this PR: would you mind merging the latest changes from main (includes fixes to some dead links) into this branch so that all the checks pass?

Once you do that, I can go ahead and merge the PR! 🙂

[FPa-riken]

Hi, I've updated with latest from main, it should be fine to go ahead now. Thanks.