added nix package build

flake.nix

@@ -61,5 +61,39 @@
         };
       };
     });
+
+    packages = forEachSupportedSystem ({ pkgs }: {
+      default = let 
+        pname = "caitsith";
+        version = "master";
+
+        src = pkgs.fetchFromGitea {
+          domain = "scm.wyattjmiller.com";
+          owner = "wymiller";
+          repo = "caitsith";
+          rev = "${version}";
+          sha256 = "sha256-bNIzb57qPzzgwGVTjk2N59P7Rtt0MdyJY12sTAH05/s=";
+        };
+      in pkgs.rustPlatform.buildRustPackage {
+        inherit pname version src;
+        cargoLock = { lockFile = "${src}/Cargo.lock"; };
+        nativeBuildInputs = with pkgs; [ 
+          pkg-config-unwrapped
+          openssl.dev
+        ];
+
+        meta = {
+          description = "A Discord bot that deathrolls";
+          mainProgram = "caitsith";
+          homepage = "https://scm.wyattjmiller.com/wymiller/caitsith";
+          maintainers = [ "wymillerlinux" ];
+          platforms = [ "x86_64-linux" ];
+        };
+
+        env = {
+          PKG_CONFIG_PATH = "${pkgs.openssl.dev}/lib/pkgconfig";
+        };
+      };
+    });
   };
 }