Add .kql as extension for KQL (Kusto Query Language)

[ep3p]

Description

Please, this was already considered in #4827 . I think currently .kql is widely used over .csl

I would like to open another PR to change the grammar (or I will commit in this PR if you help me please), I would like to add this grammar (although it is outdated)
https://github.com/rosshamish/kuskus/blob/7aa46fd48ebf50c9cbfb98c06782a5e9d86dc535/kusto-syntax-highlighting/syntaxes/kusto.tmLanguage

The only "problem" is that this repo has several extensions apart from syntax highlighting, please, do you know if as long as the engine finds the kusto.tmLanguage file is enough?

Checklist:

• I am associating a language with a new file extension.

  • The new extension is used in hundreds of repositories on GitHub.com

    • Search results for each extension:
      • https://github.com/search?utf8=%E2%9C%93&type=Code&ref=searchresults&q=extension%3Akql+where+NOT+nothack
      • https://github.com/search?utf8=%E2%9C%93&type=Code&ref=searchresults&q=extension%3Akql+summarize+NOT+nothack
      • https://github.com/search?utf8=%E2%9C%93&type=Code&ref=searchresults&q=extension%3Akql+extend+NOT+nothack
      • https://github.com/search?utf8=%E2%9C%93&type=Code&ref=searchresults&q=extension%3Akql+project+NOT+nothack
      • https://github.com/search?utf8=%E2%9C%93&type=Code&ref=searchresults&q=extension%3Akql+join+NOT+nothack

  • I have included a real-world usage sample for all extensions added in this PR:

    • Sample source(s):
      • Application consent or assignment.kql
    • Sample license(s):
      • MIT License

  • I have included a change to the heuristics to distinguish my language from others using the same extension.

[lildude]

I would like to open another PR to change the grammar (or I will commit in this PR if you help me please), I would like to add this grammar (although it is outdated) https://github.com/rosshamish/kuskus/blob/7aa46fd48ebf50c9cbfb98c06782a5e9d86dc535/kusto-syntax-highlighting/syntaxes/kusto.tmLanguage

I'd prefer a new PR so it can easily be reverted independent of other changes if necessary.

The only "problem" is that this repo has several extensions apart from syntax highlighting, please, do you know if as long as the engine finds the kusto.tmLanguage file is enough?

Generally yes, however the location of the grammar files is important as the compiler only looks in certain locations depending on the expected location for the upstream editor that uses the grammars:

https://github.com/github/linguist/blob/249bbd1c2ffc631ca2ec628da26be5800eec3d48/tools/grammars/compiler/loader.go#L119-L128

I've taken a quick look at the repo and you should be ok. It's not go too much other cruft and the grammar should be easily found. Give it a try 😁.

[lildude]

Please, this was already considered in #4827 . I think currently .kql is widely used over .csl

Yup. Usage looks to have grown quite considerably since then. 👍

[ep3p]

Thank you @lildude I have opened another PR for the grammar change (#5996)