Migrates common modules to global

- Updates import paths in multiple configurations

flake.nix

@@ -134,7 +134,7 @@
               }
 
               # Import secrets
-              ./modules/common/secret-spec.nix
+              ./modules/global/secret-spec.nix
               ./secrets.nix
 
               # Host-specific configuration

home/toph/common/core/default.nix

@@ -15,7 +15,7 @@ in
 {
   imports = lib.flatten [
     (map lib.custom.relativeToRoot [
-      "modules/common"
+      "modules/global"
       "modules/home"
     ])
     ./asdf.nix

hosts/common/core/default.nix

@@ -16,7 +16,7 @@ in
     (lib.custom.scanPaths ./.)
 
     (map lib.custom.relativeToRoot [
-      "modules/common"
+      "modules/global"
       "hosts/users"
     ])
   ];