调整项目结构和readme

profiles/gaea/home/hyprland.nix

@@ -0,0 +1,12 @@
+{ ... }:
+
+{
+  home = {
+    sessionVariables = {
+      # for hyprland with nvidia gpu, ref https://wiki.hyprland.org/Nvidia/
+      # 启用注释部分会导致NVIDIA下无法启动hyprland
+      WLR_DRM_DEVICES = "/dev/dri/card1";
+      AQ_DRM_DEVICES = "/dev/dri/card1";
+    };
+  };
+}