Update flake inputs (and add puppy-tracker)

flake.nix

@@ -86,6 +86,12 @@
       # url = "path:/home/alex/code/own/komga-reading-stats";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+
+    puppy-tracker = {
+      url = "git+ssh://gitea@git.ppp.pm:1122/alex/puppy-tracker.git?ref=main";
+      # url = "path:/home/alex/code/puppy-tracker";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
   outputs =