documentation update

_pkgdown.yml

@@ -9,7 +9,7 @@
 # Berends MS, Luz CF, Friedrich AW, Sinha BNM, Albers CJ, Glasner C    #
 # (2022). AMR: An R Package for Working with Antimicrobial Resistance  #
 # Data. Journal of Statistical Software, 104(3), 1-31.                 #
-# doi:10.18637/jss.v104.i03                                            #
+# https://doi.org/10.18637/jss.v104.i03                                #
 #                                                                      #
 # Developed at the University of Groningen and the University Medical  #
 # Center Groningen in The Netherlands, in collaboration with many      #
@@ -116,19 +116,19 @@ navbar:
         icon: "fa-capsules"
         href: "reference/av_property.html" # reference instead of an article
     - text: "With other pkgs"
-      icon: "fa-layer-plus"
+      icon: "fa-layer-group"
       menu:
       - text: "AMR & dplyr/tidyverse"
-        icon: "fa-layer-plus"
+        icon: "fa-layer-group"
         href: "articles/other_pkg.html"
       - text: "AMR & data.table"
-        icon: "fa-layer-plus"
+        icon: "fa-layer-group"
         href: "articles/other_pkg.html"
       - text: "AMR & tidymodels"
-        icon: "fa-layer-plus"
+        icon: "fa-layer-group"
         href: "articles/other_pkg.html"
       - text: "AMR & base R"
-        icon: "fa-layer-plus"
+        icon: "fa-layer-group"
         href: "articles/other_pkg.html"
     - text: "Manual"
       icon: "fa-book-open"