Fix tabufline, auto ft=diff on diffview, add diff highlight syntax + lua tabstop=2

lua/configs/diffview.lua

@@ -1 +1,11 @@
-return {}
+return {
+  hooks = {
+    diff_buf_read = function(_)
+      vim.opt_local.wrap = false
+      vim.opt_local.list = false
+    end,
+    view_opened = function(_)
+      vim.api.nvim_command "set ft=diff"
+    end,
+  },
+}

lua/mappings.lua

@@ -206,11 +206,11 @@ map(
 -- Tabufline
 -- cycle through buffers
 map("n", "<tab>", function()
-  require("nvchad.tabufline").tabuflineNext()
+  require("nvchad.tabufline").next()
 end, { desc = "Goto next buffer" })
 
 map("n", "<S-tab>", function()
-  require("nvchad.tabufline").tabuflinePrev()
+  require("nvchad.tabufline").prev()
 end, { desc = "Goto prev buffer" })
 
 -- close buffer + hide terminal buffer