add link to orders argument reprex

Added information about the 'orders' argument and a reproducible example link.

Author: avallecam

episodes/clean-data.Rmd

@@ -337,6 +337,8 @@ the dataset (if `target_columns = NULL`) and convert them into the **Ymd**  form
 We invite you to find the key package that makes this standardisation possible inside `{cleanepi}` by reading the Details section of the 
 [Standardize date variables reference manual](https://epiverse-trace.github.io/cleanepi/reference/standardize_dates.html#details)!
 
+Also, check how to use the `orders` argument if you want to target US format character strings. You can explore [this reproducible example](https://github.com/epiverse-trace/cleanepi/discussions/262).
+
 :::::::::::::::::::
 
 ### Converting to numeric values
@@ -345,6 +347,7 @@ In the raw dataset, some columns can come with mixture of character and numerica
 character values for numbers explicitly into numeric values (e.g. `"seven"` to `7`). For example, in our simulated data set, in the age column some entries are 
 written in words. In `{cleanepi}` the function `convert_to_numeric()` does such conversion as illustrated in the below 
 code chunk.
+
 ```{r}
 sim_ebola_data <- cleanepi::convert_to_numeric(sim_ebola_data,
   target_columns = "age"