Throw in unar and rustup

This continues the slow migration away from Homebrew.

config/home-manager/home.nix

@@ -32,7 +32,10 @@ in {
     mtr
     ncdu
     pry
+    pwgen
+    rustup
     tmux
+    unar
     virt-manager
     wget
     yt-dlp
@@ -67,6 +70,7 @@ in {
   # password-store
   programs.password-store = {
     enable = true;
+    package = pkgs.pass.withExtensions (exts: [exts.pass-otp]);
     settings = {
       PASSWORD_STORE_DIR = "${config.home.homeDirectory}/.password-store";
     };