Migrate Eclipse IDE landing pages to ide-wg website

We currently host Eclipse IDE landing pages on eclipse.org.

Now that we have a website for the Eclipse IDE Working Group, I would like to propose that we migrate existing and future landing pages to the Eclipse IDE Working Group website in Q1 2022.

Landing page List
https://eclipse.org/eclipseide
https://eclipse.org/callisto
https://eclipse.org/europa
https://eclipse.org/galileo
https://eclipse.org/ganymede
https://eclipse.org/helios
https://eclipse.org/indigo
https://eclipse.org/juno
https://eclipse.org/kepler
https://eclipse.org/luna
https://eclipse.org/mars
https://eclipse.org/neon
https://eclipse.org/oxygen
https://eclipse.org/photon