Only warn about include when not already set

[jasonkuhrt]

Nexus Report

{
  "node": "v12.14.1",
  "nexus": "^0.20.0",
  "plugins": [],
  "os": {
    "platform": "darwin",
    "release": "19.3.0"
  },
  "otherDependencies": {
    "date-fns": "^2.12.0",
    "gray-matter": "^4.0.2",
    "next": "9.3.5",
    "react": "16.13.1",
    "react-dom": "16.13.1",
    "remark": "^12.0.0",
    "remark-html": "^11.0.1"
  },
  "devDependencies": {
    "@babel/plugin-proposal-export-default-from": "^7.8.3",
    "@types/node": "^13.13.2",
    "@types/react": "^16.9.34",
    "typescript": "^3.8.3"
  },
  "hasAppModule": false,
  "packageManager": "npm"
}

Screenshot