fix: libraryBlocks exports

[devilhyt]

The basics

• I validated my changes

The details

Resolves

Fixes N/A

Proposed Changes + reasons

Blockly.libraryBlocks and Blockly.libraryBlocks.blocks were missing logic blocks and texts blocks respectively. They should be exported to ensure completeness and consistency. This PR addresses this issue.

Test Coverage

npm test succeeds.

Documentation

N/A

Additional Information

N/A

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[rachel-fenichel]

@devilhyt Thanks for your contribution!