Discussion & Proposal
Using stable package is very important for any one who r using this template.
Description
I just init react native project with rn cli, And I got this package.json as below

I think fix react native node with stable node_modules is good for developer who have no time to fix many trouble problem which could happen in setup environment.
e.g. dependency bug
I m using 0.58.0 typescript template, i think the template should be generate fixed version in devDependencies too.