secrets: move into 'modules'

flake.nix

@@ -85,8 +85,6 @@
         ./modules
         # Include bundles of settings
         ./profiles
-        # Include my secrets
-        ./secrets
       ];
 
       buildHost = name: system: lib.nixosSystem {

modules/default.nix

@@ -6,6 +6,7 @@
     ./hardware
     ./home
     ./programs
+    ./secrets
     ./services
     ./system
   ];