Answers for "delete 'cr' [prettier/prettier]"

delete cr eslint(prettier/prettier)

.prettierrc
{
     ..
    "endOfLine":"auto"
     ..
  }

Delete 'cr' [prettier/prettier]?

For a newbie like me, this is how it is to be done.
Open .eslintrc.json present in your root directory (frontend). 
After changes it will look as under: 
{   
  "extends": ["react-app", "prettier"], 
  "plugins": ["prettier"],  
  "rules": {     
    "prettier/prettier": ["error", { "endOfLine": "auto" }]  
  }
}