Split up config and remove obsidian plugin

lua/plugins/which-key.lua

@@ -0,0 +1,21 @@
+return {
+  'folke/which-key.nvim',
+  event = 'VeryLazy',
+  opts = {
+    -- your configuration comes here
+    -- or leave it empty to use the default settings
+    -- refer to the configuration section below
+  },
+  keys = {
+    {
+      '<leader>?',
+      function()
+        require('which-key').show { global = false }
+      end,
+      desc = 'Buffer Local Keymaps (which-key)',
+    },
+  },
+  dependencies = {
+    { 'nvim-tree/nvim-web-devicons', enabled = vim.g.have_nerd_font },
+  },
+}