Add Kotlin language server by JetBrains (#2142)

Author: strangepleasures

_implementors/servers.md

@@ -139,6 +139,7 @@ index: 1
 | [Kerboscript (kOS)](https://ksp-kos.github.io/KOS/) | [John Chabot](https://github.com/jonnyboyC) | [kos-language-server](https://github.com/jonnyboyC/kos-language-server) | Typescript
 | [KerML](https://github.com/Systems-Modeling/SysML-v2-Release) | [Sensmetry](https://sensmetry.com) | [SysML2 Tools](https://gitlab.com/sensmetry/public/sysml-2ls) | Typescript
 | [Kotlin](https://kotlinlang.org) | [@fwcd](https://github.com/fwcd) | [kotlin-language-server](https://github.com/fwcd/kotlin-language-server) | Kotlin |
+| [Kotlin](https://kotlinlang.org) | [JetBrains](https://www.jetbrains.com/) | [kotlin-lsp](https://github.com/Kotlin/kotlin-lsp) | Kotlin |
 | [Language Server Robot](https://github.com/TypeCobolTeam/LanguageServerRobot) | [TypeCobolTeam](https://github.com/TypeCobolTeam) | [TypeCobol Language Server Robot](https://github.com/TypeCobolTeam/LanguageServerRobot/wiki) | C# |
 | [LanguageTool](https://languagetool.org/)| [Adam Voss](https://github.com/adamvoss) | [languagetool](https://github.com/adamvoss/languagetool-languageserver) | Java |
 | [LanguageTool](https://languagetool.org/)| [Julian Valentin](https://github.com/valentjn) | [ltex-ls](https://github.com/valentjn/ltex-ls) | Kotlin |