WIP: temmie/userweb: add log processor for apache

hosts/temmie/services/userweb/apache-log-processor/default.nix

@@ -0,0 +1,33 @@
+{
+  lib
+, rustPlatform
+, stdenv
+}:
+let
+  cargoToml = fromTOML (builtins.readFile ./Cargo.toml);
+  cargoLock = ./Cargo.lock;
+  mainProgram = (lib.head cargoToml.bin).name;
+  pname = cargoToml.package.name;
+in
+rustPlatform.buildRustPackage {
+  inherit pname;
+  inherit (cargoToml.package) version;
+  src = lib.fileset.toSource {
+    root = ./.;
+    fileset = lib.fileset.unions [
+      ./Cargo.toml
+      ./Cargo.lock
+      ./src
+    ];
+  };
+
+  cargoLock.lockFile = cargoLock;
+
+  doCheck = true;
+
+  meta = with lib; {
+    license = licenses.mit;
+    platforms = platforms.linux;
+    inherit mainProgram;
+  };
+}