Improve scale_(x|y)_continuous docs (#3411, fixes #3298)

* added link to scales::squish and scales::squish_infinite in the oob documentation

Author: CateGitau

R/scale-.r

@@ -38,17 +38,21 @@
 #'     Use `NA` to refer to the existing minimum or maximum
 #'   - A function that accepts the existing (automatic) limits and returns
 #'     new limits
-#'
-#'  Note that setting limits on positional scales will **remove** data outside of the limits.
-#'  If the purpose is to zoom, use the limit argument in the coordinate system (see [coord_cartesian()]).
+#'   Note that setting limits on positional scales will **remove** data outside of the limits.
+#'   If the purpose is to zoom, use the limit argument in the coordinate system
+#'   (see [coord_cartesian()]).
 #' @param rescaler A function used to scale the input values to the
 #'   range \[0, 1]. This is always [scales::rescale()], except for
 #'   diverging and n colour gradients (i.e., [scale_colour_gradient2()],
 #'   [scale_colour_gradientn()]). The `rescaler` is ignored by position
 #'   scales, which ways use [scales::rescale()].
-#' @param oob Function that handles limits outside of the scale limits
-#'   (out of bounds). The default ([scales::censor()]) replaces out of
+#' @param oob One of:
+#'   - Function that handles limits outside of the scale limits
+#'   (out of bounds).
+#'   - The default ([scales::censor()]) replaces out of
 #'   bounds values with `NA`.
+#'   - [scales::squish()] for squishing out of bounds values into range.
+#'   - [scales::squish_infinite()] for squishing infitite values into range.
 #' @param na.value Missing values will be replaced with this value.
 #' @param trans For continuous scales, the name of a transformation object
 #'   or the object itself. Built-in transformations include "asn", "atanh",