## Descriptions
This pull request adds inline SBBs feature which allows blueprints to be
used directly (without SBB zon file) as child in other SBB files.
Blueprint used this way must not any child blocks on it's own.
To ensure that the feature works correctly some of the now redundant SBB
zon files were removed.
Current implementation generates SBB at runtime for each of the
blueprints that has 0 child blocks and doesn't have an SBB with same ID.
In the future the implementation could be changed to create SBBs on
demand, to avoid wasting memory on blueprints which are not used or use
SBB with different name, that is not critical tho (really small gains)
and requires #1499
## Links
Resolves: #1403
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Co-authored-by: IntegratedQuantum <43880493+IntegratedQuantum@users.noreply.github.com>
## Description
This pull request merges `sbb` and `blueprint` directory trees into
single directory tree as discussed in #1403 searched twice, once to load
blueprint files, once to load sbb zon files.
## Links
Related to: #1403
Related to: #1408
* Added Blueprints and SBBs for oak and birch trees
* Whoops! Added .zig to .zon
* Format Change (agh)
* Fixes to generators
* Changed nulls and put trees in Tree folder
* Removed Treefixes
* Update leaf_1.zig.zon
* Omitted chances
* 5 years
* Changed the two oak roots I had neglected
