[ja] Add volitional slang

[khaitruong922]

No description provided.

[codspeed-hq]

CodSpeed Performance Report

Merging #1396 will not alter performance

_{Comparing khaitruong922:volitional-slang (8f7cb53) with master (aaa1617)}

Summary

✅ 3 untouched benchmarks

🆕 2 new benchmarks
⁉️ 2 dropped benchmarks

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	master	khaitruong922:volitional-slang	Change
⁉️	japanese transformations (n=72)	18.5 ms	N/A	N/A
🆕	japanese transformations (n=74)	N/A	19.3 ms	N/A
⁉️	japanese transformations-full (n=197)	45.5 ms	N/A	N/A
🆕	japanese transformations-full (n=203)	N/A	47.8 ms	N/A