nix config udpate; polish top-level Justfile

nix/os/profiles/common/pkg.nix

@@ -2,6 +2,22 @@
 
 {
   # Package configuration
+  nixpkgs.config = {
+    allowBroken = false;
+    allowUnfree = true;
+
+    packageOverrides = pkgs: with pkgs; {
+      busyboxStatic =  busybox.override {
+        enableStatic = true;
+        extraConfig = ''
+           CONFIG_STATIC y
+           CONFIG_INSTALL_APPLET_DONT y
+           CONFIG_INSTALL_APPLET_SYMLINKS n
+         '';
+      };
+    };
+  };
+
   environment.systemPackages = with pkgs; [
     elfutils
     exfat
@@ -16,9 +32,10 @@
     wget
     curl
 
-    git
+    gitFull
     pastebinit
     gist
+    mr
 
     usbutils
     pciutils