Add proper system key

secrets/k3s.age

@@ -1,7 +1,11 @@
 age-encryption.org/v1
--> ssh-ed25519 Gc/MTQ R+xCLdbnikaO1W5c4bb69siKcJXtpLPTWyrQLkiVQig
-M/pdgZaHzseLZ62Po60Fs/sAcednKFroVmnVSM0Wn98
--> ssh-ed25519 mOIk4w zIW3XH0dLiPOuaFkVIPk2fOXTstCBeMCpwAiWXURlHU
-KH1WHh5GGB5r9rH+Iarpw3U/Sczmt8pWvl27E8DRrs0
---- w2YTFEWZmeHwcs126MpB3wd9IKWgcBBV0a7Km57miDg
-$<24>,<2C><0E>
+-> ssh-ed25519 Gc/MTQ NYxjxe8ysXtRUeA5CAXIFEFJ4JaszdsoRRYi5pohh2A
+1n4rLgK6IZAyU4QHdrt11qkYD/Y1JuzzbDxZXtLkRrU
+-> ssh-ed25519 mOIk4w +An3vaQpvbwkDwMlf2krnz/5OpXE37KV0lw+yPtaRyQ
+OP8xX8u+zL+1cFnnAuxECWacvXwtvH7Tkpm582HKL30
+-> ssh-ed25519 l9wOAw VAHzPwAZ0VW5QrEQ8FNqqj8fhmoyPVVu3MXDtTZBBT8
+VW7nb4/ahFuzU4DrAQ77UGQtwllIlFClkGn6clT2LvY
+--- vTEXnvSOAaAZ3GBqA+bDuINY5i5WKlVT6dIs1/C1QzQ
+5<EFBFBD><EFBFBD><08><><07>F.&	<09><><10><>ފ<EFBFBD>S<EFBFBD>a<EFBFBD><61><EFBFBD>Y{<7B><><EFBFBD>
+<02>t<EFBFBD><74>=87Z<><5A>_<><5F><EFBFBD><EFBFBD>',߹hX'C<><43>`q<><71><EFBFBD><EFBFBD><EFBFBD>pȢS<C8A2>`h<>
+<EFBFBD><EFBFBD><EFBFBD>lvfF<EFBFBD><EFBFBD><EFBFBD>Bd<02><><EFBFBD><EFBFBD>A<EFBFBD><41><EFBFBD>

secrets/secrets.nix

@@ -2,6 +2,7 @@ let
   keys = [
     "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJXOpmWsAnl2RtOuJJMRUx+iJTwf2RWJ1iS3FqXJFzFG yadunut"
     "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOEg5wsPLOZvU6lT8cMUsStQqalh/Hw5u104QhOYPS8E yadunut@penguin"
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIF0NLOa9NNz7r3QODU0Oe/a5m+PFzcpM20aLwf+0wojT penguin"
   ];
 in
 {