Easy Contentful migration sample

Clone .env.example to .env and fill it with your credentials
Edit migrate.js or index.js to your liking
- migrate.js do not provide autocomplete and it's simpler
- index.js provides autocomplete and gives more control
- cma.js if your case is not covered by Contentful migrations
Run npm install
if you edited migrate.js run
```
sh migrate.sh
```
if you edited index.js run
```
npn run
```
if you edited cma.js run
```
sh cma.sh
```