feat: add home assistant capability with pi-relay

secrets/homeassistant-webhook-id.age

@@ -0,0 +1,9 @@
+age-encryption.org/v1
+-> ssh-ed25519 Ziw7aw o2OepqUVulb7kJMNRMs3MK4HjD9ufgXgPahtYydBbXk
+gFdMCu/Wk4q9g7xByhXyRIbdx7V45cwmxVn580WuFwM
+-> ssh-ed25519 NFB4qA fQRwLbNWTx/FWZBPjpbt4P0a2sZY3QR2szdRe1cfTE4
+DR0fSdupUNJfpnbB3Ogkp27me4J0IcQ6VVQmBKXlNoI
+-> X25519 fZhP22fLYaVseoaWRa+VPKqZ4aZFNibHgMp//vOp7AE
+JtwFvGYJEOD26cBhmSWrCNmFkigb/ku56xNXkYn4xMM
+--- pPugQ6fRUfnW6dG+GcIHDhAbn6/Za5g1vZmWZGXk3Wk
+Càü§<EFBFBD>
ìÖW™åQ]Ý1¼<31>`7ü"?‰ú]Uà9z²

secrets/relay-webhook-secret.age

@@ -0,0 +1,12 @@
+age-encryption.org/v1
+-> ssh-ed25519 Ziw7aw s7p6bAEzWqyyF4yGBGyYi4IAVMofpY+vofEdnAUASAo
+3iFJpniAgjy9r5oSDO0w288S80iKWniV36RUfMRRubc
+-> ssh-ed25519 NFB4qA eP/M902eua/ytCKABTrgcCV3vKDfuMlvg31b9jIc7E4
+OI/iXdRD/Km1qMRpx9h2Kabn6HWtwnHstushKZfyi+E
+-> X25519 dNnIn/Tq/llh8NBvrAMcVeKVMl8C1nq6gCvI+TpxOQI
+vOLTD/uROCiPnG42MioEqA1A8Ei/acmI75Eg7CIJuL4
+-> ssh-ed25519 uKftJg K2ZIMhMIEzvaowRkHk90FK9Xkq01qvBh+xZ1tZ5H8Cc
+QE/BLIS+2W+kdKEaJdgJHoGWMJ3TsVmx3DZ2+B3spDw
+--- qY2aDrsCm4Xs2AchoDxhQzfhWrGWLJ6Z5t8/4Gc5lF4
+4!£2ýF³ì[(C}
+ål<EFBFBD>m‰"×#kæNæL·è1

secrets/secrets.nix

@@ -35,6 +35,17 @@ in
     jet
     server
   ];
+  "homeassistant-webhook-id.age".publicKeys = [
+    jet
+    pi
+    piBootstrap
+  ];
+  "relay-webhook-secret.age".publicKeys = [
+    jet
+    pi
+    piBootstrap
+    server
+  ];
   "zulip-webhook-secret.age".publicKeys = [
     jet
     server