feat(tailscale): add Tailscale service configuration and update secrets

.sops.yaml

@@ -1,6 +1,9 @@
 # Generate AGE keys from SSH keys with:
 #   ssh-keygen -A
 #   nix-shell -p ssh-to-age --run 'cat /etc/ssh/ssh_host_ed25519_key.pub | ssh-to-age'
+# update keys after addin/removing a key
+#   nix-shell -p sops --run "sops updatekeys users/secrets.yaml" users/secrets.yaml
+
 keys:
   - &admin_richie age1u8zj599elqqvcmhxn8zuwrufsz8w8w366d3ayrljjejljt2q45kq8mxw9c # cspell:disable-line
 
@@ -8,6 +11,7 @@ keys:
   - &system_brain age1jhf7vm0005j60mjq63696frrmjhpy8kpc2d66mw044lqap5mjv4snmwvwm # cspell:disable-line
   - &system_jeeves age13lmqgc3jvkyah5e3vcwmj4s5wsc2akctcga0lpc0x8v8du3fxprqp4ldkv # cspell:disable-line
   - &system_rhapsody age1ufnewppysaq2wwcl4ugngjz8pfzc5a35yg7luq0qmuqvctajcycs5lf6k4 # cspell:disable-line
+  - &system_portal_1 age1vyav6kxtvt3z4vtnkkjj38eu8hlts5m7ygyckhskvalg2gpjk52su53d0a # cspell:disable-line
 
 creation_rules:
   - path_regex: users/secrets\.yaml$
@@ -18,3 +22,4 @@ creation_rules:
           - *system_brain
           - *system_jeeves
           - *system_rhapsody
+          - *system_portal_1