Add a disko.nix to use with disko

disko.nix

@@ -0,0 +1,53 @@
+# nix-env --install disko
+{
+  disko.devices = {
+    disk = {
+      my-disk = {
+        device = "/dev/nvme0n1";
+        type = "disk";
+        content = {
+          type = "gpt";
+          partitions = {
+            ESP = {
+              type = "EF00";
+              size = "1024M";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+                mountOptions = [ "umask=0077" ];
+              };
+            };
+            swap = {
+              type = "swap";
+              size = "32G";
+              discardPolicy = "once"; # Better than having "pages" because I'm not gonna keep my computer running for 200 days
+            };
+            root = {
+              size = "100%";
+              content = {
+                type = "filesystem";
+                mountpoint = "/";
+                format = "f2fs";
+                mountOptions = [
+                  "defaults"
+                  "discard"
+                  "X-fstrim.notrim"
+                  "compress_algorithm=lzo-rle"
+                  "compress_extension=*"
+                  "compress_chksum"
+                  "atgc"
+                  "gc_merge"
+                  "checkpoint=enable"
+                  "checkpoint_merge"
+                  "fsync_mode=posix"
+                  "nat_bits"
+                ];
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+}