Fix kotlin-lsp not running on linux and update to the latest version

installer/install-kotlin-lsp.cmd

@@ -1,8 +1,14 @@
 @echo off
 
 setlocal
-curl -L -o server.zip "https://download-cdn.jetbrains.com/kotlin-lsp/0.252.17811/kotlin-0.252.17811.zip"
+
+if not %PROCESSOR_ARCHITECTURE%==AMD64 (
+  echo %PROCESSOR_ARCHITECTURE% is not supported
+  exit /b 1
+)
+
+set version=261.13587.0
+
+curl -L -o server.zip "https://download-cdn.jetbrains.com/kotlin-lsp/%version%/kotlin-lsp-%version%-win-x64.zip"
 call "%~dp0\run_unzip.cmd" server.zip
 del server.zip
-
-curl -L -o kotlin-lsp.cmd "https://raw.githubusercontent.com/Kotlin/kotlin-lsp/refs/heads/main/scripts/kotlin-lsp.cmd"

installer/install-kotlin-lsp.sh

@@ -2,6 +2,38 @@
 
 set -e
 
-curl -L -o server.zip "https://download-cdn.jetbrains.com/kotlin-lsp/0.252.17811/kotlin-0.252.17811.zip"
+os="$(uname -s | tr "[:upper:]" "[:lower:]")"
+arch="$(uname -m)"
+
+case $os in
+darwin)
+  os=mac
+  ;;
+linux) ;;
+*)
+  echo "$os is not supported"
+  exit 1
+  ;;
+esac
+
+case $arch in
+aarch64) ;;
+arm64)
+  arch=aarch64
+  ;;
+x86_64)
+  arch=x64
+  ;;
+*)
+  echo "$arch is not supported"
+  exit 1
+  ;;
+esac
+
+version=261.13587.0
+
+curl -L -o server.zip "https://download-cdn.jetbrains.com/kotlin-lsp/${version}/kotlin-lsp-${version}-${os}-${arch}.zip"
 unzip server.zip
 rm server.zip
+chmod +x kotlin-lsp.sh
+ln -s kotlin-lsp.sh kotlin-lsp