fix(URL): broken routing and redirects on docs.datajoint.com

[MilagrosMarin]

This PR updates proposed URLs. Note: new links aren't functional yet, please consider before merging.

• https://docs.datajoint.com/core/datajoint-python/latest ==> removes core --> https://docs.datajoint.com/datajoint-python/latest/ (5 updates in fix(URL): remove core in docs.datajoint.com/core/datajoint-python)
• https://docs.datajoint.com/elements ==> inserts datajoint-docs --> https://docs.datajoint.com/datajoint-docs/elements/ (3 updates in fix(URL): add datajoint-docs before elements)
• https://docs.datajoint.com/support-events ==> inserts datajoint-docs --> https://docs.datajoint.com/datajoint-docs/support-events (no updates to be done)
• https://docs.datajoint.com/additional-resources ==> inserts datajoint-docs --> https://docs.datajoint.com/datajoint-docs/additional-resources (no updates to be done)
• https://docs.datajoint.com/projects ==> inserts datajoint-docs --> https://docs.datajoint.com/datajoint-docs/projects (no updates to be done)
• https://docs.datajoint.com/partnerships/dandi ==> inserts datajoint-docs --> https://docs.datajoint.com/datajoint-docs/partnerships/dandi (no updates to be done)
• https://docs.datajoint.com/partnerships/facemap ==> inserts datajoint-docs --> https://docs.datajoint.com/datajoint-docs/partnerships/facemap(no updates to be done)
• https://docs.datajoint.com/partnerships/incf ==> inserts datajoint-docs --> https://docs.datajoint.com/datajoint-docs/partnerships/incf (no updates to be done)
• https://docs.datajoint.com/partnerships/nwb ==> inserts datajoint-docs --> https://docs.datajoint.com/datajoint-docs/partnerships/nwb (no updates to be done)
• https://docs.datajoint.com/partnerships/openephysgui ==> inserts datajoint-docs --> https://docs.datajoint.com/datajoint-docs/partnerships/openephysgui (no updates to be done)
• https://docs.datajoint.com/partnerships/suite2p ==> inserts datajoint-docs --> https://docs.datajoint.com/datajoint-docs/partnerships/suite2p(no updates to be done)
• https://docs.datajoint.com/about/citation/ ==> inserts datajoint-docs --> https://docs.datajoint.com/datajoint-docs/about/citation/ (no updates to be done)
• https://docs.datajoint.com/about/contribute/ ==> inserts datajoint-docs --> https://docs.datajoint.com/datajoint-docs/about/contribute/ (2 updates in fix(URL): add datajoint-docs before contribute)