packages: Add fluent-icons

Used for eww.

packages/fluent-icons.nix

@@ -0,0 +1,41 @@
+{ stdenvNoCC
+, fetchurl
+, unar
+}:
+
+stdenvNoCC.mkDerivation {
+  pname = "fluent-icons";
+  version = "2023-08-07";
+
+  src = fetchurl {
+    name = "Fluent Icons.zip";
+    url = "https://files.catbox.moe/a6iswm.zip";
+    hash = "sha256-LsMZr+RedK2Vi21K44A/vpBv54BISjshZ2+iAlMYASU=";
+  };
+
+  nativeBuildInputs = [ unar ];
+
+  unpackPhase = /* bash */ ''
+    runHook preUnpack
+
+    cp "$src" $(stripHash "$src")
+    unar $(stripHash "$src")
+
+    runHook postUnpack
+  '';
+
+  #
+  installPhase = /* bash */ ''
+    runHook preInstall
+
+    mkdir -p $out/share/eww
+    cp -r */ $out/share/eww
+
+    runHook postInstall
+  '';
+
+  meta = {
+    homepage = "https://github.com/vinceliuice/Fluent-icon-theme";
+    description = "Fluent folder icons converted to png";
+  };
+}