message: Cleanup root tsconfig.json
diff: "compilerOptions": {
  "baseUrl": ".",
  "declaration": true,
  - "declarationDir": "build/types",
  "esModuleInterop": true,
  "forceConsistentCasingInFileNames": true,
  "module": "commonjs",
  "noImplicitReturns": true,
  "noUnusedLocals": false,
  "noUnusedParameters": false,
  - "outDir": "build",
  "pretty": true,
  "removeComments": false,
  "resolveJsonModule": true,
  "sourceMap": true,
  "strict": true,
  "target": "es6",
  - "lib": ["es6"],
  - "typeRoots": [
  - "./custom_types",
  - "./node_modules/@types"
  - ]
  + "lib": ["es6"]
  }
  }
  