Update R files and ignore rules for documentation and code improvements

- Add `_pkgdown.yml` and `.github` to `.Rbuildignore`
- Document unused `...` argument in randomizer constructor
- Fix factor level access in `f_random_stratum_builder`
- Remove unused `@seealso` from `f_seed` documentation

Author: fpahlke

.Rbuildignore

@@ -28,3 +28,5 @@ NEWS\.tex
 .*_snaps.*
 ^Meta$
 ^CNAME$
+^_pkgdown\.yml$
+^\.github$

R/class_random_block_size_randomizer.R

@@ -30,6 +30,7 @@
 #' 
 #' @param blockSizes List of block size configurations, each mapping treatment arm IDs to sizes.
 #' @param seed Integer random seed used for reproducibility.
+#' @param ... Additional arguments (currently unused).
 #'
 #' @return A `RandomBlockSizeRandomizer` reference class object.
 #' 

R/f_random_stratum_builder.R

@@ -55,7 +55,7 @@ createStratumId <- function(factorLevels) {
             )
         }
 
-        factorLevel <- factorLevels.get(factorName)
+        factorLevel <- factorLevels[[factorName]]
         if (is.null(factorLevel) || nchar(trimws(factorLevel)) == 0) {
             stop("The specified factor level (#", counter, ") is invalid")
         }

R/f_seed.R

@@ -78,8 +78,6 @@
 #' is better than the pseudo-random number algorithms typically used
 #' in computer programs. For more information see \url{https://www.random.org}.
 #'
-#' @seealso \link{getSimulatedTwoArmMeans}
-#'
 #' @return an integer value or vector containing one or more seeds.
 #'
 #' @export