feat(semantic/example): add ability to print symbols and references in example

[camchenry]

This was helpful for debugging some issues in semantic. It roughly matches what we show in the playground on the website as well.

[camchenry]

• feat(semantic/example): add ability to print symbols and references in example #12017 👈 (View in Graphite)
• main

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[codspeed-hq]

CodSpeed Instrumentation Performance Report

Merging #12017 will improve performances by 12.88%

_{Comparing 07-01-example_semantic_add_ability_to_print_symbols_and_references_in_example (c9b6513) with main (5fe60a9)}

Summary

⚡ 1 improvements
✅ 37 untouched benchmarks

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
⚡	mangler[cal.com.tsx]	3.1 ms	2.7 ms	+12.88%

[Dunqing]

Merge activity

• Jul 2, 5:58 AM UTC: The merge label '0-merge' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
• Jul 2, 5:58 AM UTC: Dunqing added this pull request to the Graphite merge queue.
• Jul 2, 6:08 AM UTC: Merged by the Graphite merge queue.