Add ssh config

home-manager/modules/accounts/ssh.nix

@@ -0,0 +1,45 @@
+{ ... }:
+{
+    programs.ssh = {
+        enable = true;
+
+        forwardAgent = true;
+
+        matchBlocks = {
+            # Tailscale nodes
+            "vps" = {
+                hostName = "oracle-vps";
+                user = "tyman";
+                port = 22;
+            };
+            "srv" = {
+                hostName = "old-lenovo-laptop";
+                user = "ty";
+                port = 22;
+            };
+            "polyfrost" = {
+                hostName = "polyfrost-vps";
+                user = "tyman";
+                port = 22;
+            };
+            # Git hosts
+            "forgejo" = {
+                hostName = "git.myriation.xyz";
+                user = "git";
+                port = 22;
+            };
+            "github" = {
+                hostName = "github.com";
+                user = "git";
+                port = 22;
+            };
+            "codeberg" = {
+                hostName = "codeberg.org";
+                user = "git";
+                port = 22;
+            };
+        };
+    };
+
+    services.ssh-agent.enable = false; # Handled by GPG
+}