Correct link functions solutions 20240926

Co-Authored-By: EmmaCartuyvels1 <[email protected]>

docs/sessions/20240926_from_stand_alone_code_to_functions.html

@@ -442,7 +442,7 @@
 
 # Resources
 
-- Challenges solutions: functions are saved in [20240926_challenges_functions.R](https://github.com/inbo/coding-club/blob/main/src/20240926/20240926_challenges_functions.R). They are used in [20240926_challenges_solutions.R](https://github.com/inbo/coding-club/blob/main/src/20240926/20240926_challenges_solutions.R).
+- Challenges solutions: functions are saved in [20240926_challenges_functions.R](https://github.com/inbo/coding-club/blob/main/src/20240926/20240926_functions_solutions.R). They are used in [20240926_challenges_solutions.R](https://github.com/inbo/coding-club/blob/main/src/20240926/20240926_challenges_solutions.R).
 - The edited video recording is available on [vimeo](https://vimeo.com/1020238177).
 - Do you want to learn more about functions?  Get a more [formal framework](https://www.stat.berkeley.edu/~statcur/Workshop2/Presentations/functions.pdf), go [in depth](http://adv-r.had.co.nz/Functions.html#function-arguments), do a check [under the hood](http://swcarpentry.github.io/swc-releases/2017.08/r-novice-inflammation/14-supp-call-stack/) or learn more about [programming with `dplyr`](https://dplyr.tidyverse.org/articles/programming.html).
 - The [INBO styleguide for R code](https://inbo.github.io/tutorials/tutorials/styleguide_r_code/).