简化stable/unstable切换的方式；增加兼容性代码，根据版本引用

home/core.nix

@@ -1,7 +1,10 @@
 # This is your home-manager configuration file
 # Use this to configure your home environment (it replaces ~/.config/nixpkgs/home.nix)
 
-{ outputs, pkgs, username, useremail, sysversion, ... }: {
+{ self, outputs, pkgs, username, useremail, version, ... }: {
+  imports = [
+    "${self}/libs/home-libs.nix"
+  ];
 
   home = {
     inherit username;
@@ -108,5 +111,5 @@
   systemd.user.startServices = "sd-switch";
 
   # https://nixos.wiki/wiki/FAQ/When_do_I_update_stateVersion
-  home.stateVersion = sysversion;
+  home.stateVersion = version;
 }