feat(users/Profpatsch): init httzip

A streaming webserver which serves directories as .zip recursively.
Because everything sucks and this is the best way to get dirs
delivered to people.

Change-Id: I451885cfc5082db12ac32eb0a4bfb04bc983d3c2
Reviewed-on: https://cl.tvl.fyi/c/depot/+/8953
Reviewed-by: Profpatsch <mail@profpatsch.de>
Tested-by: BuildkiteCI

users/Profpatsch/httzip/default.nix

@@ -0,0 +1,40 @@
+{ depot, pkgs, lib, ... }:
+
+let
+
+  httzip = pkgs.haskellPackages.mkDerivation {
+    pname = "httzip";
+    version = "0.1.0";
+
+    src = depot.users.Profpatsch.exactSource ./. [
+      ./httzip.cabal
+      ./Httzip.hs
+    ];
+
+    libraryHaskellDepends = [
+      pkgs.haskellPackages.pa-prelude
+      pkgs.haskellPackages.warp
+      pkgs.haskellPackages.wai
+      pkgs.haskellPackages.wai-conduit
+      pkgs.haskellPackages.conduit-extra
+      pkgs.haskellPackages.conduit
+    ];
+
+    isExecutable = true;
+    isLibrary = false;
+    license = lib.licenses.mit;
+  };
+
+  bins = depot.nix.getBins httzip [ "httzip" ];
+
+in
+depot.nix.writeExecline "httzip-wrapped" { } [
+  "importas"
+  "-ui"
+  "PATH"
+  "PATH"
+  "export"
+  "PATH"
+  "${pkgs.zip}/bin"
+  bins.httzip
+]