nixos: create 'modules/nixos' folder

Let's consolidate all modules under one path, so that NixOS,
home-manager, and nix-darwin (if I ever end up using it down the line)
would go under the same folder.

modules/nixos/services/wireguard/keys/milady/private-key.age

@@ -0,0 +1,9 @@
+age-encryption.org/v1
+-> ssh-ed25519 cKojmg gWB20jfimPCJHYjqxBSHYkL9Z/kGZ23dRu4PHp7oJj8
+z3dBymvgrGNtIXe3yQAzpm36uExPmD7DKjU6mMNw99U
+-> ssh-ed25519 jPowng aeWv6an+PmWRuk2eHOQhF7jvmld1I5p2LbSmehjUBBw
+Rn+ApMvZlO0ji6TCakCUc+1jK762UxOqVanmCsjB+80
+-> jDh})['\-grease |Y6J(8{ +v.7nKx
+WID+ZDtsOlPI0AW8ROvXH1s
+--- ZlSk2uv95UoKi5D94+tiQdZyxCVv6dlj6ajwYeDzmp0
+çön“¯`Wáø¸öm!Q3]ñËQ}}<7D>ý†ŽB­y—€kÛuÐìç
ÝÆ€EÉ^…zO‡Ö[ÕV¨p šfâøÀ>¡Ä”ÌÌÖî

modules/nixos/services/wireguard/keys/richelieu/private-key.age

@@ -0,0 +1,10 @@
+age-encryption.org/v1
+-> ssh-ed25519 cKojmg rYhrpoTaFjLBGtbCXxEK7jZa+KnriEV/kWViIEjmuQs
+jHMSjxKIIqjUnpAcEo3JgsieI1iiA5/gKEx8+QFhDgY
+-> ssh-ed25519 jPowng 6sQQFvSbWdjgDYSKmJ/CBG+BTzxFghX4SaJ4GyACKWc
+OABJuh+Ta8q+G0onF/9bz3xxv4zTlHYlF4AjC5P6Y6I
+-> xwW|#D`-grease $xYH C m8lBk9
+OBqgvLNIurE0qNaSB7dO2/6dQkVXeLgf/3l9gGlRJ6ynhqwmbXOUa0vyj+OBz27O
+uI97+0y1TFAs3HN0Y8nj8LrwsafbDENu99JuVow2OuLKeSqc7sxOQQ
+--- 9filSHStPTJJGDLY7AWzIXu/6tK4X0okT522sc4OJTc
+M{ｲ顗仭$ｹ:Nﾙ災[ﾝｶｬ2xy8&腴_{RﾜLX<4C>W√€<E2889A>ｻxﾑ*Pr`ｾUｲp<EFBDB2>Jﾉ枇鵲#藝ﾔ<E8979D>ﾗ<EFBFBD>覬粘	s

modules/nixos/services/wireguard/keys/secrets.nix

@@ -0,0 +1,15 @@
+# Extra wireguard keys that are not hosts NixOS hosts
+let
+  keys = import ../../../../keys;
+
+  all = [
+    keys.users.ambroisie
+  ];
+in
+{
+  # Sarah's iPhone
+  "milady/private-key.age".publicKeys = all;
+
+  # My Android phone
+  "richelieu/private-key.age".publicKeys = all;
+}