migrated tasks and downloads to this flake

flake.nix

@@ -1,18 +1,18 @@
 {
   description = "Nix flake for the activity logging script";
   outputs =
-    { self, nixpkgs, ... }@inputs:
+    { nixpkgs, ... }:
     {
       packages.x86_64-linux =
         let
-          inherit (self) outputs;
           system = "x86_64-linux";
           pkgs = import nixpkgs { inherit system; };
         in
         {
-          tuh-activity-logger = import ./pkgs/tuh-activity-logger/default.nix {
-            inherit (pkgs) python3Packages sqlite;
-          };
+          tasks = pkgs.writeScriptBin "tasks" (builtins.readFile ./src/tasks.sh);
+          download = pkgs.callPackage ./pkgs/download.nix { };
+          webcomix = pkgs.callPackage ./pkgs/webcomix.nix { };
+          tuh-activity-logger = pkgs.callPackage ./pkgs/tuh-activity-logger.nix { };
         };
     };
 }