feat(which-key): add more hl groups and opts

Author: A-Lamia

lua/astrotheme/groups/plugins/which-key.lua

@@ -1,8 +1,12 @@
-local function callback()
+local function callback(opts)
   return {
-    WhichKeyFloat = { fg = C.fg },
+    WhichKey = { fg = C.purple },
+    WhichKeyFloat = { bg = opts.floating and C.mantle or C.base },
+    WhichKeyBorder = { fg = C.none },
+    WhichKeySeperator = { fg = C.overlay0 },
     WhichKeyDesc = { fg = C.purple },
     WhichKeyGroup = { fg = C.blue },
+    WhichKeyValue = { fg = C.overlay0 },
   }
 end