Update well known traits table with never type

Author: nathanwhit

book/src/clauses/well_known_traits.md

@@ -34,6 +34,7 @@ Some common examples of auto traits are `Send` and `Sync`.
 | structs         | ⚬    | ⚬    |  ✅    | ✅     | ⚬    | ⚬  |  ⚬      |  ⚬       |   ✅         |
 | scalar types    | 📚    | 📚    | ✅     | ⚬     | ⚬   |  ⚬  |  ⚬     |  ⚬       |    ❌        |
 | str             | 📚    | 📚    | ⚬     | ⚬     | ⚬   |  ⚬  |  ⚬     |  ⚬       |    ❌        |
+| never type      | ✅   |  ✅   |  ✅   |  ⚬    |  ⚬    | ⚬   |   ⚬    |  ⚬       |   ❌       |
 | trait objects   | ⚬    | ⚬    | ⚬     |  ✅    | ⚬    | ⚬   | ⚬      |  ⚬       |    ⚬        |
 | functions ptrs  | ✅    | ✅    | ✅     | ⚬     | ⚬    | ❌   | ⚬      |  ⚬       |    ❌         |
 | raw ptrs        | ✅   |  ✅  |   ✅   |  ⚬    |   ⚬   |  ⚬  |   ⚬    |   ⚬      |      ❌      |