Add temperature to :cn$core

```
myproject.core=> (p/run)
:cn$core: 307 examples, 0 failed.
:it$core: 137 examples, 0 failed.
:es$core: 294 examples, 0 failed.
:en$core: 369 examples, 0 failed.
:fr$core: 330 examples, 0 failed.
```