feat: use astronvim instead of nixvim and instantiate zoxide as 'cd'

programs/neovim/user/plugins/treesitter.lua

@@ -0,0 +1,8 @@
+return {
+  "nvim-treesitter/nvim-treesitter",
+  opts = function(_, opts)
+    -- add more things to the ensure_installed table protecting against community packs modifying it
+    opts.ensure_installed = nil
+    opts.automatic_installation = false
+  end,
+}