[dev] Sets up podman as a system package instead of homemanager.

system/features/podman-dev.nix

@@ -0,0 +1,14 @@
+{ ... }:
+{
+  virtualisation = {
+    podman = {
+      enable = true;
+
+      # Create a `docker` alias for podman, to use it as a drop-in replacement
+      dockerCompat = true;
+
+      # Required for containers under podman-compose to be able to talk to each other.
+      defaultNetwork.settings.dns_enabled = true;
+    };
+  };
+}