WIP release notes and other changes for release 8.10

[sspencerwire]

• framework for 8.10 release notes doc with changes made
• updated .pages file

Author checklist (Completed by original Author)

• [x] Good fit for the Rocky Linux project? Title and Author Metatags inserted ?
• [x] If applicable, steps and instructions have been tested to work
• [x] Initial self-review to fix basic typos and grammar completed

Rocky Documentation checklist (Completed by Rocky team)

• [ ] 1st Pass (Document is good fit for project and author checklist completed)
• [ ] 2nd Pass (Technical Review - check for technical correctness)
• [ ] 3rd Pass (Detailed Editorial Review and Peer Review)
• [ ] Final approval (Final Review)

[github-actions[bot]]

Test results for ed9f48cd390eb115c7022c780fdbf47d10550991:

Number of broken URLs: 3

URL,RESULT,FILENAME
 https://azuremarketplace.microsoft.com/en-us/marketplace/apps/resf.rockylinux-aarch64,failed,guides/cloud/migration-to-new-azure-images.md
 https://ezequiel.works,failed,guides/contribute/README.md
 https://www.linuxcapable.com/how-to-install-nginx-mainline-on-rocky-linux/,failed,guides/web/nginx-mainline.md