init: Move bufferline config to pluginList.lua

plugins.bufferline should be as config of nvim-bufferline

and pluginList for packer

init.lua

@@ -2,7 +2,6 @@ require "options"
 
 local chad_modules = {
     "pluginList",
-    "plugins.bufferline",
     "mappings",
     "utils"
 }

lua/pluginList.lua

@@ -18,7 +18,10 @@ return packer.startup(
 
         use {
             "akinsho/nvim-bufferline.lua",
-            after = "nvim-base16.lua"
+            after = "nvim-base16.lua",
+            config = function()
+                require "plugins.bufferline"
+            end
         }
 
         use {