feat(emacs): ↑30.1

flake.nix

@@ -12,6 +12,7 @@
     sops-nix.url = "github:Mic92/sops-nix";
     sydnix-cli.url = "path:///persist/dots/scripts/sydnix-cli";
     copyparty.url = "github:9001/copyparty";
+    emacs-overlay.url = "github:nix-community/emacs-overlay";
     # Used for Firefox extensions/addons.
     nur = {
       url = "github:nix-community/NUR";