doc: mention throw/try/catch in the Option section, so people can find it easier

doc/docs.md

@@ -1391,6 +1391,7 @@ If you don't need to return an error message, you can simply `return none` (this
 
 This is the primary mechanism for error handling in V. They are still values, like in Go,
 but the advantage is that errors can't be unhandled, and handling them is a lot less verbose.
+Unlike other languages, V does not handle exceptions with `throw/try/catch` blocks.
 
 `err` is defined inside an `or` block and is set to the string message passed
 to the `error()` function. `err` is empty if `none` was returned.