backwards: Add secrets for ssh machine (root) key

secrets/backwards/root.backwards.age

@@ -0,0 +1,7 @@
+age-encryption.org/v1
+-> ssh-ed25519 Pu0HWg SsaAxjzGm2Q7rwXGUniBIBFFwnjg/hhy9+c6ZaplCGk
+awhDZ95EJOqz31KAtajWx95t22bhOWmDlMYfKEr9aiI
+-> ssh-ed25519 +oNaHQ QMsREm+h/zLGAxFlGwA85+TVrkRZB96lZQg9Wxnt0zE
+qRxhWfoB/tJW3DCefigcmuptEsUNCm1MPHWJVwbbPr8
+--- GSqVz4fYWPpvi7wq+MC6PXW/HAGnDB3T2YGEPePsqkY
+H(¯¿®8¥å/É~×!©V:„´ºjuÊú¥ÓÏOD·ÏÆIoø<6F><ûµ±fÏGíbå¨/ßÕ°¼í솘ï
Ë šUîR¡­(R_Sy~\>ÔØfä€;k…¿v/ç±B(éïI¾ß!’æÈ?Ÿ°´ûšuqÉòÈ¢Ä0VlPÇhûµKˆž„j´Ò©?+5l¶ž>ŒÕüù´Ai
šhx !Yàá­]C»MN𽙺‚‡Ã'¬ºaGʺ¼œ¢ÈDl…Þ†n,rW	²þÄ•Ÿ7¹V¡M–¾åÍ2+Ê#3y¨IŸj<sKÛý÷ú]yÒRš'¾G1Å<Jše¸³ùÄx¹âƒ<C3A2>‰2Ó <–Ó=Ô´ã3ñtë'ÌB)¤@ÊÞ§œÙ·‚ÀÎrdÄRpÓ	þÃíâîy±X­Èâ@ñ¾A½>»Ow·Ý7ÕTz<54>Í:!"Û2Çåı¡ä	è|¢’Ž

secrets/backwards/root.backwards.pub.age

@@ -0,0 +1,7 @@
+age-encryption.org/v1
+-> ssh-ed25519 Pu0HWg P3gzWhc5giZhfHFAPsx3xj3h5geZm4ry5Wznr0m4rGM
+Pl+9HcagLawy3yJXbfq2IPw0agHgIA1WoaIZEz7a1eY
+-> ssh-ed25519 +oNaHQ 36FMdDGTlM/3RM8rTMjvAAYzqF65KiyDbczveRb9tXo
+qlAhrXJeCmoqIP5pGep3cvAATL+Lzj2H2NiisQWGTww
+--- zswHAYFu5pwVD8Z5zxgGdRerFHvzcirEwLeMvE1LDWQ
+—HmäëŤ<C3AB>VY#:'ëdIj=«ńϬ!ďF
Ź $:٦ť€Ű%†ä.nűűć{ńvN×ĘŐś—PŢRöŰí@O4•(ľ6•° ó#PĐöµřO<C599>—äđ´‘ŠXý w5Ű‚5»Ą„ň•vop`ď˘(oţ-Ż„,ˇTľWv

secrets/secrets.nix

@@ -1,6 +1,7 @@
 let
   # see `modules/age/default.nix` where these are defined
   pinwheel = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMoI7Q4zT2AGXU+i8fLmzcNLdfMkEnfHYh4PmaEmo2QW root@pinwheel";
+  backwards = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBcTK3CUtTsgavuLlbfOqCbHYLtUrIKqnSqYmtzGCZnv root.backwards";
   sombrero = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIO/NltCo1L+X1OIBfIKzfrbxLpCOerQ4vTIs+QPTXkf/ root@sombrero";
   tadpole = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDbyj/vYafqpJH33jFz5HV+gwCiEIJTpxKrEFrBWx73A root@tadpole";
   alex = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPTgiHYcdhS87pPnduLunZVEgLVj4EtbG9XVSZP1l5s5 alex";
@@ -26,6 +27,9 @@ in {
   "pinwheel/work-staging-ovpn.age".publicKeys = [ pinwheel alex ];
   "pinwheel/work-production-ovpn.age".publicKeys = [ pinwheel alex ];
 
+  "backwards/root.backwards.age".publicKeys = [ backwards alex ];
+  "backwards/root.backwards.pub.age".publicKeys = [ backwards alex ];
+
   "sombrero/syncthing-cert.age".publicKeys = [ sombrero alex ];
   "sombrero/syncthing-key.age".publicKeys = [ sombrero alex ];
   "sombrero/alex.sombrero-github.com.age".publicKeys = [ sombrero alex ];