[nvim] Switches to fzf for the buffer finder, removes snacks config

home-manager/features/neovim/config/lua/plugins/fzf.lua

@@ -0,0 +1,11 @@
+return {
+  -- https://www.lazyvim.org/extras/editor/fzf
+  "ibhagwan/fzf-lua",
+  keys = {
+    {
+      "<leader><space>",
+      "<cmd>FzfLua buffers sort_mru=true sort_lastused=true<cr>",
+      desc = "Switch Buffer",
+    },
+  },
+}