Fix include for output folder of tsconfig.json

Fixes eclipse-glsp/glsp#1229

Author: planger

project-templates/node-json-vscode/tasklist-vscode/extension/tsconfig.json

@@ -4,5 +4,5 @@
     "rootDir": "src",
     "outDir": "lib"
   },
-  "include": ["src", "server", "pack"]
+  "include": ["src", "server", "dist"]
 }