feat(content): books base off base book

[VissValdyr]

Purpose of change

For easier workflow books now base off one base book. Which includes the material paper, flags, symbol and a look like, for retrodays and other tile sets which doesn't have a lot of book tiles.

Describe the solution

Describe alternatives you've considered

Testing

Additional context

Checklist

[autofix-ci]

Autofix has formatted code style violation in this PR.

I edit commits locally (e.g: git, github desktop) and want to keep autofix

1. Run git pull. this will merge the automated commit into your local copy of the PR branch.
2. Continue working.

I do not want the automated commit

1. Format your code locally, then commit it.
2. Run git push --force to force push your branch. This will overwrite the automated commit on remote with your local one.
3. Continue working.

If you don't do this, your following commits will be based on the old commit, and cause MERGE CONFLICT.