docs update

Author: Yunuuuu

Diff for: R/layout-circle-.R

@@ -22,7 +22,17 @@
 #' small_mat <- matrix(rnorm(56), nrow = 7)
 #' rownames(small_mat) <- paste0("row", seq_len(nrow(small_mat)))
 #' colnames(small_mat) <- paste0("column", seq_len(ncol(small_mat)))
+#'
+#' # direction outward
 #' circle_discrete(small_mat) +
+#'     align_dendro(aes(color = branch), k = 3L) +
+#'     scale_color_brewer(palette = "Dark2") +
+#'     ggalign() +
+#'     geom_tile(aes(y = .column_index, fill = value)) +
+#'     scale_fill_viridis_c()
+#'
+#' # direction inward
+#' circle_discrete(small_mat, direction = "inward") +
 #'     ggalign() +
 #'     geom_tile(aes(y = .column_index, fill = value)) +
 #'     scale_fill_viridis_c() +