feat(sops): Restructuring of sops keys

modules/user/secrets.nix

@@ -0,0 +1,8 @@
+{ config, ... }: {
+  sops = {
+    defaultSopsFile = ../../user/${config.home.username}/secrets.yaml;
+    age.keyFile = "${config.home.homeDirectory}/.config/sops/age/keys.txt";
+
+    secrets."tokens/apis/wallhaven" = {};
+  };
+}