[MNT] Deprecate non-federated query tool config, bump Docker Compose required ver.

[alyssadai]

• Closes Remove mention of non-federated query tool installation #213
• Closes Required version of Docker Compose is too old for secrets #215
• Closes Make it clearer that only node-API should be listed in local_nodes.json #204

Changes proposed in this pull request:

• Query tool is now specified to point only to an f-API instance
• Minor formatting edits for readability
• Minimum Docker Compose version updated to one that supports secrets via environment vars

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[surchs]

one comment -> 🧑‍🍳

[alyssadai]

Hey @surchs, just to wrap up a small stale issue into this PR, I added a commit c92a4ab to address Barbara's request for more clarity concerning local_nb_nodes.json #204 (since I'm editing the config page anyways).

Let me know if you think the addition is clear enough that local_nb_nodes.json should only include n-APIs.

[surchs]

Hey @surchs, just to wrap up a small stale issue into this PR, I added a commit c92a4ab to address Barbara's request for more clarity concerning local_nb_nodes.json #204 (since I'm editing the config page anyways).

Let me know if you think the addition is clear enough that local_nb_nodes.json should only include n-APIs.

Yep, that is a good way to address it I think. Thanks for that!