hosts/astatine: add monitoring secret

hosts/astatine/secrets/wg-monitoring.age

@@ -0,0 +1,10 @@
+age-encryption.org/v1
+-> ssh-ed25519 HwR33w msCjddFRCD4DbAjaPToTULS2mehbhzhWTliPduNN6Gs
+nF0vN4LO32cfgSfgxKKS3TC+HgKX5P0Ka/k5k5/KHX4
+-> ssh-ed25519 +Gslrw 10Rgl9PbI+X/wF5R99eW7krHjt1o0gqbcpF4nYo3nD8
+lvoo2eQRFiE439QbXlb2Tai81+dMmTlp2tsXAyuCgOU
+-> $>c-grease DHV93FeX 2,cO@SCt uMc}n\6 5BT6DPc
+rg5XJkHIbvC0qKnT0yrk/Py0BcxoHNmLZDtu3P145KbATV1CJjkttyAtALZIR5z8
+sJCtENKo/r+ydhT94cw
+--- 6U1ot/iDF32lzVsiPfPOWxzKzf8ncYRl/m4LrjKfEcE
+<EFBFBD>̎<EFBFBD><05><14><>z<EFBFBD><7A><EFBFBD>X<EFBFBD>LtC<74>A<EFBFBD>J<EFBFBD>G~i<><69><EFBFBD><EFBFBD><EFBFBD>(<28><>ԗ<>&<26><><EFBFBD>*œ<><C593>R/t<>2ob<6F><62><EFBFBD><EFBFBD><EFBFBD>|<7C>/x<07><>_<EFBFBD><5F>a-h4U

hosts/astatine/ssh.pub

@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOQegq2ZQx0fNVHlITNHdZoSAh5jsaDyv3Sej3a8Y4j3