Add declarative ssh known hosts

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

hosts/elara/users/nikara/configs/console/ssh/default.nix

@@ -2,13 +2,20 @@
   user ? throw "user argument is required",
   home ? throw "home argument is required",
 }:
-{ ... }:
+{ inputs, system, ... }:
+let
+  selfPkgs = inputs.self.packages.${system};
+in
 {
-  home-manager.users.${user}.programs.ssh.matchBlocks = {
-    "cldlgn.fyi.sas.com" = {
-      inherit user;
-      hostname = "cldlgn.fyi.sas.com";
-      identityFile = "${home}/.ssh/ssh_sas_ed25519_key";
+  home-manager.users.${user}.programs.ssh = {
+    matchBlocks = {
+      "cldlgn.fyi.sas.com" = {
+        inherit user;
+        hostname = "cldlgn.fyi.sas.com";
+        identityFile = "${home}/.ssh/ssh_sas_ed25519_key";
+      };
     };
+
+    userKnownHostsFiles = with selfPkgs; [ ssh-known-hosts-sas-cldlgn ];
   };
 }