Rename moby/conatinerd project

What is the problem you're trying to solve
Now that moby/containerd has no explicit fork relationship with containerd/containerd as an upsteam/downsteam repo,
users can be easily confuse moby/containerd with the official, very active containerd/containerd

Describe the solution you'd like
Pick a new name.
First steps would be to :

1. Announce it at the very TOP of the README.md that this project is an independent project.
2. Choose a new name, but only update the README,md
3. Rename the github repo to new name.
4. Optional: Go all the way and change the namespace of the codebase.

Additional context
Just steps 1 & 2 are sufficient for full disclosure.
Step 3 should also be relatively painless and transparent to the 7 users who have forked this project.
I assume Step 4 would be costly/painful and really isn't needed unless this project grows further.

Start with README.md and review the issue's proposed disclosure steps. A complete result would clearly identify the project as independent and settle a new project name before any repository or namespace changes; the issue does not specify that name or a decided scope.