Split constants into separate lib file

nixos/modules/common.nix

@@ -47,7 +47,7 @@ in
             #"https://nix-cache.nul.ie"
             "https://cache.nixos.org"
           ];
-          trusted-public-keys = lib.my.nix.cacheKeys;
+          trusted-public-keys = lib.my.c.nix.cacheKeys;
         };
         registry = {
           pkgs = {

nixos/modules/deploy-rs.nix

@@ -86,7 +86,7 @@ in
   options.my.deploy = with lib.types; {
     authorizedKeys = {
       keys = mkOpt' (listOf singleLineStr) [ ] "SSH public keys to add to the default deployment user.";
-      keyFiles = mkOpt' (listOf path) [ lib.my.sshKeyFiles.deploy ] "SSH public key files to add to the default deployment user.";
+      keyFiles = mkOpt' (listOf path) [ lib.my.c.sshKeyFiles.deploy ] "SSH public key files to add to the default deployment user.";
     };
 
     enable = mkBoolOpt' true "Whether to expose deploy-rs configuration for this system.";

nixos/modules/network.nix

@@ -6,7 +6,7 @@ in
   config = mkMerge [
     {
       networking = {
-        domain = mkDefault "int.${lib.my.pubDomain}";
+        domain = mkDefault "int.${lib.my.c.pubDomain}";
         useDHCP = false;
         enableIPv6 = mkDefault true;
         useNetworkd = mkDefault true;

nixos/modules/user.nix

@@ -41,7 +41,7 @@ in
             shell =
               let shell = cfg.homeConfig.my.shell;
               in mkIf (shell != null) (mkDefault' shell);
-            openssh.authorizedKeys.keyFiles = [ lib.my.sshKeyFiles.me ];
+            openssh.authorizedKeys.keyFiles = [ lib.my.c.sshKeyFiles.me ];
           };
           homeConfig = {
             # In order for this option to evaluate on its own, home-manager expects the `name` (which is derived from the