feat(nix): migrate Neovim to Nix (as a symlink)

nix/home/neovim/nvim/lua/plugins/bufferline.lua

@@ -0,0 +1,17 @@
+-- A snazzy bufferline for Neovim
+-- https://github.com/akinsho/bufferline.nvim
+return {
+  "akinsho/bufferline.nvim",
+  dependencies = "nvim-tree/nvim-web-devicons",
+  keys = {
+    { "<Tab>", "<Cmd>BufferLineCycleNext<CR>", desc = "Next tab" },
+    { "<S-Tab>", "<Cmd>BufferLineCyclePrev<CR>", desc = "Prev tab" },
+  },
+  opts = {
+    options = {
+      mode = "tabs",
+      show_buffer_close_icons = false,
+      show_close_icon = false,
+    },
+  },
+}