many changes i made in the last weeks

mods/nurPkgs/mcping.nix

@@ -0,0 +1,25 @@
+{ pkgs ? import <nixpkgs> {} }:
+
+pkgs.stdenv.mkDerivation rec {
+  pname = "mcping";
+  version = "1.2.0";
+
+  src = pkgs.fetchFromGitHub {
+    owner = "theodik";
+    repo = "mcping";
+    rev = "v${version}";
+    sha256 = "sha256-miCRVDyyNM9MITnHdYZYpYpvKWx5n8ZvzNF9zvpZt9k=";
+  };
+
+  buildPhase = ''
+    gcc mcping.c -o mcping
+    mkdir -p $out/bin
+    cp mcping $out/bin/
+  '';
+
+  meta = with pkgs.lib; {
+    description = "A simple C program to ping Minecraft servers";
+    license = licenses.mit;
+    platforms = platforms.all;
+  };
+}