message: Distinct build & watch for debugging
diff: "runtimeExecutable": "${execPath}",
  "args": ["--extensionDevelopmentPath=${workspaceFolder}"],
  "outFiles": ["${workspaceFolder}/out/**/*.js"],
  + "preLaunchTask": "npm: build"
  + },
  + {
  + "name": "Run Extension (watch)",
  + "type": "extensionHost",
  + "request": "launch",
  + "runtimeExecutable": "${execPath}",
  + "args": ["--extensionDevelopmentPath=${workspaceFolder}"],
  + "outFiles": ["${workspaceFolder}/out/**/*.js"],
  "preLaunchTask": "npm: watch"
  }
  ]
  