C:\Users\Desktop\New folder\example-repo> goto floder and run below cmd

You can try package-json-merge npm module. To install it, use this command -

npm install -g package-json-merge

Then simply use below command to combine multiple package.json into a single one -

npx package-json-merge location of package1.json location of package2.json > packageN.json

ex: npx package-json-merge lib\shared\package.json apps\app2\package.json > packageN.json