Snapshot blog for v1.25.4

[rfay]

The Issue

Snapshot blog for v1.25.4

Rendered at https://pr-739.ddev-com-fork-previews.pages.dev/blog/ddev-snapshots/

TODO:

• "Why do I need this"
  • Snapshots and restoring benefit everybody
  • seed snapshots can be great for simple startup of a project (even checking them in)
  • Embedding snapshots in a docker image is more special-purpose, especially for huge databases
• "Seeding New Projects with --seed-snapshot needs to be preceded by normal "seed" snapshot usage. git add -f...
• Make clear that a seed snapshot (checked in) can auto-start always wirht working project db
• Add more links to docs

Screencast outline:

• Basic snapshot usage and meaning. ddev snapshot --name, ddev snapshot restore, ddev snapshot restore --latest
• Snapshots with git worktrees
• Using a seed snapshot.
• Using a --seed-snapshot snapshot
• Using a custom image with snapshot (Look inside db container to see it)
• Using a custom image with a huge uncompressed snapshot

[github-actions]

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[rfay]

I think this should be good enough.