Fix case of breadcrumbs


https://michaelcurrin.github.io/dev-cheatsheets/cheatsheets/javascript/npm/commands/
```
 Cheatsheets / Javascript / Npm / NPM commands 
```

vs 

https://michaelcurrin.github.io/dev-cheatsheets/cheatsheets/javascript/npm/
```
 Cheatsheets / Javascript / NPM 
```