add lightswitch to pkgdown

removed the bs theme because it didn't work well with the lightswitch
also adjusted version color to support both light and dark mode

pkgdown/_pkgdown.yml

@@ -15,11 +15,12 @@ navbar:
   bg: dark
   structure:
     left:  [home, intro, reference, news, articles]
-    right: [discord, github, more]
+    right: [lightswitch, discord, github, more]
   components:
     discord:
       icon: "fab fa-discord fa-lg"
       href: https://discord.com/invite/5Er2FBnnQa
+      aria-label: Discord
     reference:
       text: "Functions"
       href: reference/index.html
@@ -48,8 +49,7 @@ navbar:
 
 template:
   bootstrap: 5
-  bootswatch: cosmo
-  # theme: arrow-light
+  light-switch: true
   bslib:
     font_scale: 1.2
     base_font: {google: "IBM Plex Sans"}

pkgdown/extra.css

@@ -26,5 +26,26 @@ h4.author,h4.date {
 }
 
 .me-auto {
-    color: yellow !important;
+    color: #009E8D !important;
+}
+
+/*
+from gt custom css
+draws lines between function names on reference page
+*/
+
+dt {
+  text-decoration: underline;
+  text-decoration-style: solid;
+  text-underline-offset: 4px;
+  font-family: monospace;
+  border-top-style: dotted;
+  border-top-width: 1px;
+  border-top-color: gray;
+  margin-bottom: 5px;
+  padding-top: 5px;
+}
+
+.active .nav-link {
+  color: #F85714 !important;
 }