[Hypr] Sets up hypridle. [Nvim] Sets up nix formatting

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

@@ -0,0 +1,8 @@
+return {
+  "stevearc/conform.nvim",
+  opts = {
+    formatters_by_ft = {
+      nix = { "nixfmt" },
+    },
+  },
+}