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

programs/neovim/user/plugins/null-ls.lua

@@ -0,0 +1,20 @@
+return {
+  "jose-elias-alvarez/null-ls.nvim",
+  opts = function(_, config)
+    -- config variable is the default configuration table for the setup function call
+    local null_ls = require "null-ls"
+
+    -- Check supported formatters and linters
+    -- https://github.com/jose-elias-alvarez/null-ls.nvim/tree/main/lua/null-ls/builtins/formatting
+    -- https://github.com/jose-elias-alvarez/null-ls.nvim/tree/main/lua/null-ls/builtins/diagnostics
+    config.sources = {
+      -- Set a formatter
+      -- null_ls.builtins.formatting.stylua,
+      -- null_ls.builtins.formatting.prettier,
+      null_ls.builtins.formatting.nixpkgs_fmt,
+      null_ls.builtins.formatting.prettier,
+      null_ls.builtins.formatting.rustfmt,
+      null_ls.builtins.formatting.stylua,
+    }
+  end,
+}