feat: add kotlin_lsp from jetbrains #3867

Author: hbjydev

lsp/kotlin_lsp.lua

@@ -0,0 +1,21 @@
+---@brief
+---Pre-alpha official Kotlin support for Visual Studio Code and an implementation of Language Server Protocol for the Kotlin language.
+---
+---The server is based on IntelliJ IDEA and the IntelliJ IDEA Kotlin Plugin implementation.
+
+--- The presence of one of these files indicates a project root directory
+--
+--  These are configuration files for the various build systems supported by
+--  Kotlin.
+return {
+  filetypes = { 'kotlin' },
+  cmd = { 'kotlin-lsp', '--stdio' },
+  root_markers = {
+    'settings.gradle', -- Gradle (multi-project)
+    'settings.gradle.kts', -- Gradle (multi-project)
+    'pom.xml', -- Maven
+    'build.gradle', -- Gradle
+    'build.gradle.kts', -- Gradle
+    'workspace.json', -- Used to integrate your own build system
+  },
+}