docs: simplify README to focus on machine list and update flake references

nixos/tako/services/default.nix

@@ -1,28 +1,27 @@
 {...}: {
   imports = [
-    ./atuin.nix
-    ./authelia.nix
-    ./caddy.nix
-    ./excalidraw.nix
-    ./fail2ban.nix
-    ./flaresolverr.nix
-    # ./games
-    ./gitea.nix
-    ./homepage.nix
-    # ./immich.nix
-    ./immich.nix
-    # ./llama.nix
-    ./lldap.nix
-    # ./monitoring.nix
-    # ./nextcloud.nix
-    # ./paperless.nix
-    ./prowlarr.nix
-    ./resolved.nix
-    ./searxng.nix
-    ./tailscale.nix
+    # ./authelia.nix
+    # ./caddy.nix
+    # ./excalidraw.nix
+    # ./fail2ban.nix
+    # ./flaresolverr.nix
+    # # ./games
+    # ./gitea.nix
+    # ./homepage.nix
+    # # ./llama.nix
+    # ./lldap.nix
+    # # ./monitoring.nix
+    # # ./nextcloud.nix
+    # # ./paperless.nix
+    # ./prowlarr.nix
+    # ./resolved.nix
+    # ./searxng.nix
     # ./headscale.nix
     # ./shitpost.nix
+    ./atuin.nix
+    ./immich.nix
     ./openssh.nix
+    ./tailscale.nix
   ];
   services = {
     nix-serve = {

nixos/tako/services/openssh.nix

@@ -3,6 +3,5 @@
     enable = true;
     passwordAuthentication = false;
     permitRootLogin = "prohibit-password";
-    pubKeyAuthentication = true;
   };
 }