chore: minor tweaks to nix flake

.envrc

@@ -1,11 +1,13 @@
-source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/2.4.0/direnvrc" "sha256-XQzUAvL6pysIJnRJyR7uVpmUSZfc7LSgWQwq/4mBr1U="
-# reload when these files change
-nix_direnv_watch_file flake.nix
-nix_direnv_watch_file flake.lock
-nix_direnv_watch_file flake/*.nix
-nix_direnv_watch_file devenv/*.nix
+source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/3.0.5/direnvrc" "sha256-RuwIS+QKFj/T9M2TFXScjBsLR6V3A17YVoEW/Q6AZ1w="
+
+watch_file devenv.nix
+watch_file flake.nix
+watch_file flake.lock
+watch_file flake/*.nix
+watch_file devenv/*.nix
 
 if ! use flake . --impure
 then
-  echo "devenv could not be built. The devenv environment was not loaded. Make the necessary changes and hit enter to try again." >&2
+  echo "devenv could not be built. The devenv environment was not loaded. Make the necessary changes to devenv.nix and hit enter to try again." >&2
 fi
+PATH_add /run/wrappers/bin

devenv/default.nix

@@ -16,7 +16,7 @@
      echo -e "
       {bold}{160}${name}{reset}
 
-      This is a basic rust application flake.
+      Persway - the evil, scheming, ipc daemon
     "
   '';
 }