Add process cards to all existing Process pages

[pascalchevrel]

• [x] https://wiki.mozilla.org/Release_Management/Nightly
• [x] https://wiki.mozilla.org/Release_Management/Nightly_Respin
• [ ] https://wiki.mozilla.org/Release_Management/Release_Process ?
• [ ] https://wiki.mozilla.org/Release_Management/Release_Notes

-> only do that to up to date pages, future pages and pages needing a full update willl have the card added as part of their updating process as an item in their specific issue