OpenBB agent wishlist

[DidierRLopes]

• [x] allow to provide OpenBB PAT when running agent
• [x] only add tools that have an associated API key from OpenBB

[mnicstruwig]

Updates:

• The first part is coming very soon.
• The second part, "only add tools that have an associated API key" has been merged into main as part of this big PR.

[mnicstruwig]

PAT will be used once this PR is merged: https://github.com/OpenBB-finance/openbb-agents/pull/17

[mnicstruwig]

Closing this, since it should now be implemented!