feat(common): add basic block handlers

[theEvilReaper]

Proposed changes

The pull request adds a basic block handler implementation to load specific block NBT data from a world.

Types of changes

What types of changes does your code introduce to this project?
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• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices apply)

Checklist

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them, don't hesitate to ask. We're here to help! This is simply a reminder of what we are going to look for before
merging your code.

• I have read the CONTRIBUTING.md
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)

[github-actions]

Test results

240 files  240 suites   1m 44s ⏱️
286 tests 281 ✅  5 💤 0 ❌
861 runs  846 ✅ 15 💤 0 ❌

Results for commit d7babac.