🍁 Check specific packages to have a single resolved version in yarn.lock

1. Install canadyarn.
   

   $ yarn add --dev canadyarn

2. Add the key "checkSingleVersionDependencies" to package.json file,
   specify the names of packages to check as a string array,
   and add canadyarn as a runnable script.

   Example:

   {
       "checkSingleVersionDependencies": [
           "react",
           "react-native",
           "typescript"
       ],
       "scripts": {
           "canadyarn": "canadyarn"
       }
   }

3. Run canadyarn.
   

   $ yarn run canadyarn