Add a partition configuration for DerGeret

profiles/DerGeret/partition.nix

@@ -0,0 +1,21 @@
+{ ... }: {
+  imports = [
+    ../../lib/modules/partition.nix
+  ];
+
+  config =  {
+    partition.os.partitions = {
+      # Keep Windows' boot partition
+      Boot.keepExisting = true;
+
+      Windows = {
+        index = 6;
+        label = "OS";
+        format = "ntfs";
+        size = "+600G";
+        mountPoint = "/win";
+        mountOptions = ["force"];
+      };
+    };
+  };
+}