feat: migrate capptuccin themes into my nur-packages, add nix's access-tokens into secrets

secrets/README.md

@@ -143,5 +143,6 @@ If you're deploying to the same machine from which you encrypted the secrets, it
 ## Other Replacements
 
 - [ragenix](https://github.com/yaxitech/ragenix): A Rust reimplementation of agenix.
-
+  - agenix is mainly written in bash, and it's error message is quite obscure, a little typo may cause some errors no one can understand.
+  - with a type-safe language like Rust, we can get a better error message and a better user experience, and less bugs.
 

secrets/darwin.nix

@@ -36,6 +36,12 @@
       mode = "0600";
       owner = username;
     };
+
+    "nix-access-tokens" = {
+      file = "${mysecrets}/nix-access-tokens.age";
+      mode = "0600";
+      owner = username;
+    };
   };
 
   # place secrets in /etc/