refactor: streamline core modules into dedicated folder

modules/core/base.nix

@@ -54,14 +54,14 @@
       "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINJgYI2rXmw4uPXAMmOgqgJEwYfwj/IBExTCzs9Dgo+R w0lff"
     ];
     keyFiles = [
-      ../keys/ssh/marcus-sapphire
-      ../keys/ssh/schrader
-      ../keys/ssh/jannusch
-      ../keys/ssh/jannusch-arch
-      ../keys/ssh/tassilo
-      ../keys/ssh/jonasga
-      ../keys/ssh/rouven
-      ../keys/ssh/joachim
+      ../../keys/ssh/marcus-sapphire
+      ../../keys/ssh/schrader
+      ../../keys/ssh/jannusch
+      ../../keys/ssh/jannusch-arch
+      ../../keys/ssh/tassilo
+      ../../keys/ssh/jonasga
+      ../../keys/ssh/rouven
+      ../../keys/ssh/joachim
     ];
   };
 

modules/core/default.nix

@@ -0,0 +1,14 @@
+{ ... }:
+{
+  imports = [
+    ./base.nix
+    ./bacula.nix
+    ./fail2ban.nix
+    ./initrd-ssh.nix
+    ./mysql.nix
+    ./nginx.nix
+    ./postgres.nix
+    ./sssd.nix
+    ./zsh.nix
+  ];
+}

modules/sops.nix

@@ -1,5 +0,0 @@
-{ ... }:
-{
-  sops.age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
-  sops.age.generateKey = false;
-}