Workaround for build error due to "Unsupported Platform" in fsevents

installer/install-eslint-language-server.cmd

@@ -3,6 +3,7 @@
 git clone "https://github.com/microsoft/vscode-eslint" .
 git checkout release/2.0.15
 call npm install
+call npm --prefix ./server install ./server
 call npm run compile:server
 
 echo @echo off ^

installer/install-eslint-language-server.sh

@@ -3,6 +3,7 @@
 git clone "https://github.com/microsoft/vscode-eslint" .
 git checkout release/2.0.15
 npm install
+npm --prefix ./server install ./server
 npm run compile:server
 
 cat <<EOF >eslint-language-server