pkgs: add cpm

pkgs/cpm/default.nix

@@ -0,0 +1,29 @@
+{
+  pkgs,
+  rustPlatform,
+  fetchFromGitHub,
+  lib,
+  ...
+}:
+rustPlatform.buildRustPackage {
+  name = "cpm";
+  src = fetchFromGitHub {
+    owner = "2547techno";
+    repo = "cpm";
+    rev = "bc7a70a606ea83300aed8d100df2985de785aa83";
+    sha256 = "sha256-uk2ltAPx8HxmVUhIIzAcQ6s4cTmsFmPOq0h/kSHMUzw=";
+  };
+
+  nativeBuildInputs = [pkgs.pkg-config];
+  buildInputs = [pkgs.openssl];
+
+  cargoSha256 = "sha256-j3FtsrxAvPX2UhMjtLXyWsmLEEn/ZQ6R9nH6PSG844c=";
+
+  meta = with lib; {
+    description = "Chatterino Plugin Manager ";
+    mainProgram = "cpm";
+    homepage = "https://github.com/2547techno/cpm";
+    license = licenses.mit;
+    maintainers = with maintainers; [notohh];
+  };
+}