feat(#39): add new keywords

[trapvpack]

closes #39 @maxonfjvipon take a look please

---

PR-Codex overview

The focus of this PR is to update the list of JavaScript keywords in the XSLT transformation file.

Detailed summary

• Added new JavaScript keywords like async, await, import
• Removed const, while, class from the list
• Updated existing keywords like true, switch

✨ Ask PR-Codex anything about this PR by commenting with /codex {your question}

[maxonfjvipon]

@trapvpack thanks for PR, is the list full?

[trapvpack]

@maxonfjvipon if I understood the issue correctly and it was about lexical grammar keywords, then the list is full

[maxonfjvipon]

@rultor merge

[rultor]

@rultor merge

@maxonfjvipon OK, I'll try to merge now. You can check the progress of the merge here

[rultor]

@rultor merge

@maxonfjvipon Done! FYI, the full log is here (took me 21min)

[maxonfjvipon]

@trapvpack thanks!