调整项目结构和readme

profiles/gaea/nixos/mount.nix

@@ -0,0 +1,26 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, username, ... }:
+
+{
+
+
+  fileSystems."/home/${username}/tmp" =
+    {
+      device = "none";
+      fsType = "tmpfs";
+      options = [ "uid=1000" "gid=100" "defaults" "size=8G" "mode=755" ];
+    };
+
+  fileSystems."/tmp" =
+    {
+      device = "tmpfs";
+      fsType = "tmpfs";
+    };
+
+  swapDevices = [{
+    device = "/var/swapfile";
+    size = 16 * 1024;
+  }];
+}