Improve keywords files for SLua and LSL

[marchcat]

Issue to track XML file changes/contributions.

PRs: #5288

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[marchcat]

Integrated #5288, keeping the issue open for further related PRs.

[tapple]

All PR's in this project. I'll edit this comment if I add more

• Add slua_definitions.yaml lsl-definitions#38
• Type-fixes #5288
  • Updates and improvements to keywords_lua_default.xml #5301
  • fix keywords in keywords_lua_default.xml #5325
• Luau type fixes for luau-lsp sl-vscode-plugin#57
• Make the xml output better match files in the sim/viewer python-llsd#37

[marchcat]

Thank you, @tapple!
Shouldn't we just merge all these PRs into the SLua editor viewer, since they are related?

[tapple]

All the PR's which are made against the viewer are made against the project/lua_editor branch

3 of them aren't against the viewer, and are made against the main branches in those repositories