restructure with nixos modules

ssh/default.nix

@@ -0,0 +1,44 @@
+{ lib, ...}:
+
+{
+  config = {
+    programs.ssh = {
+      enable = true;
+      extraConfig = "User root";
+
+      matchBlocks = {
+        gitlab-sue = lib.hm.dag.entryBefore [ "*" ] {
+          hostname = "gitlab.com";
+          identityFile = "~/.ssh/sue_ed25519";
+          identitiesOnly = true;
+        };
+        github = lib.hm.dag.entryBefore [ "*" ] {
+          hostname = "github.com";
+          user = "pizzapim";
+          identitiesOnly = true;
+        };
+        lewis = lib.hm.dag.entryBefore [ "*" ] {
+          hostname = "lewis.hyp";
+        };
+        atlas = lib.hm.dag.entryBefore [ "*" ] {
+          hostname = "atlas.hyp";
+        };
+        jefke = lib.hm.dag.entryBefore [ "*" ] {
+          hostname = "jefke.hyp";
+        };
+        hermes = lib.hm.dag.entryBefore [ "*" ] {
+          hostname = "hermes.dmz";
+        };
+        maestro = lib.hm.dag.entryBefore [ "*" ] {
+          hostname = "maestro.dmz";
+        };
+        bancomart = lib.hm.dag.entryBefore [ "*" ] {
+          hostname = "bancomart.dmz";
+        };
+        handjecontantje = lib.hm.dag.entryBefore [ "*" ] {
+          hostname = "handjecontantje.dmz";
+        };
+      };
+    };
+  };
+}