pinwheel: Add ssh key for manatee

secrets/pinwheel/alex.pinwheel-manatee.pub.age

@@ -0,0 +1,9 @@
+age-encryption.org/v1
+-> ssh-ed25519 vxPbZg YW9lqVTRD04cADmnlqv5EiTAT0HeNIl5Av4CqgHk5ls
+3g+zkm7Qslg/mq+oxz2NhLI9vQCPNzri87a2AOLyxMg
+-> ssh-ed25519 Pu0HWg 2NCikdn506idPSo428BpwXpmjPJPlKl1WLQdKCcC4CI
+3jnRPJyMEsyic/ZQkalcZVDvdJSefkl3qlXwP0B7f1U
+-> ssh-ed25519 +oNaHQ dA/YOfXwPKXW8fHb8s9v/KwFJN3jrGJZecN5820/G2w
+ZcxfT+gWXtc4JPE0xTJ8rpWB/fubDBaNplF+V8e0PRc
+--- zfQyYuHOYPOiN7xOgDamuuRXdsZOCcLXjVpnojhFeQk
+<10>ƃ<EFBFBD><0C><>lp<>M<1C>Ap<41>E4s<34>4<EFBFBD>5<EFBFBD>LҢ<4C><D2A2>Z<EFBFBD><05><>r{A<15>i#<23><>O<07>h<13><><EFBFBD>L]\י<><07>ʙ<17><06><08>t<EFBFBD>(<28>^<5E><><EFBFBD><EFBFBD>s<EFBFBD>5Igye}H<><48><02>NÊ<4E><C38A><EFBFBD><08>}<03>Q<EFBFBD><51><EFBFBD><EFBFBD>`y<>'<27>Tz*]<5D><><EFBFBD><EFBFBD>-<2D><><EFBFBD>"@	<09><>k