Create meteor guide

[pradel]

We should have a guide helping you to migrate your meteor application to accounts-js.
See #1112 (comment) for more info

[freeseamew]

I also need a guide on accountsjs in meteor.
Do you currently have a minimum guide to using accountsjs in meteor?

[pradel]

You can check this gist https://gist.github.com/acomito/b6969d6121254eeffa54be431a3f2262

[harryadel]

Might be a starting point: https://unchained.shop/blog/meteoraccountsmigration