Split config according to new example

mappings.lua

@@ -0,0 +1,30 @@
+-- Mapping data with "desc" stored directly by vim.keymap.set().
+--
+-- Please use this mappings table to set keyboard mapping since this is the
+-- lower level configuration and more robust one. (which-key will
+-- automatically pick-up stored data by this setting.)
+return {
+  -- first key is the mode
+  n = {
+    -- second key is the lefthand side of the map
+    -- mappings seen under group name "Buffer"
+    ["<leader>bn"] = { "<cmd>tabnew<cr>", desc = "New tab" },
+    ["<leader>bD"] = {
+      function()
+        require("astronvim.utils.status").heirline.buffer_picker(
+          function(bufnr) require("astronvim.utils.buffer").close(bufnr) end
+        )
+      end,
+      desc = "Pick to close",
+    },
+    -- tables with the `name` key will be registered with which-key if it's installed
+    -- this is useful for naming menus
+    ["<leader>b"] = { name = "Buffers" },
+    -- quick save
+    -- ["<C-s>"] = { ":w!<cr>", desc = "Save File" },  -- change description but the same command
+  },
+  t = {
+    -- setting a mapping to false will disable it
+    -- ["<esc>"] = false,
+  },
+}