Include agenix module and package directly

Avoids adding an extra flake input only to fetch a single module and
package.

pkgs/agenix/example/-leading-hyphen-filename.age

@@ -0,0 +1,7 @@
+age-encryption.org/v1
+-> ssh-ed25519 V3XmEA zirqdzZZ1E+sedBn7fbEHq4ntLEkokZ4GctarBBOHXY
+Rvs5YHaAUeCZyNwPedubPcHClWYIuXXWA5zadXPWY6w
+-> ssh-ed25519 KLPP8w BVp4rDkOYSQyn8oVeHFeinSqW+pdVtxBF9+5VM1yORY
+bMwppAi8Nhz0328taU4AzUkTVyWtSLvFZG6c5W/Fs78
+--- xCbqLhXAcOziO2wmbjTiSQfZvt5Rlsc4SCvF+iEzpQA
+<EFBFBD>KB<EFBFBD><EFBFBD>/<2F>Z<><5A>r<EFBFBD>%
<01><>4<EFBFBD><34><EFBFBD>Mq5<71><35>_<EFBFBD><5F>ݒ<><DD92><EFBFBD><EFBFBD><EFBFBD>11ܨqM;& <20><>Lr<4C><72><EFBFBD>f<EFBFBD><66><EFBFBD>]>N

pkgs/agenix/example/armored-secret.age

@@ -0,0 +1,7 @@
+-----BEGIN AGE ENCRYPTED FILE-----
+YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IHNzaC1lZDI1NTE5IFYzWG1FQSBpZkZW
+aFpLNnJxc0VUMHRmZ2dZS0pjMGVENnR3OHd5K0RiT1RjRUhibFZBCnN5UG5vUjA3
+SXpsNGtiVUw4T0tIVFo5Wkk5QS9NQlBndzVvektiQ0ozc0kKLS0tIGxyY1Q4dEZ1
+VGZEanJyTFNta2JNRmpZb2FnK2JyS1hSVml1UGdMNWZKQXMKYla+wTXcRedyZoEb
+LVWaSx49WoUTU0KBPJg9RArxaeC23GoCDzR/aM/1DvYU
+-----END AGE ENCRYPTED FILE-----

pkgs/agenix/example/passwordfile-user1.age

@@ -0,0 +1,9 @@
+age-encryption.org/v1
+-> ssh-ed25519 KLPP8w s1DYZRlZuSsyhmZCF1lFB+E9vB8bZ/+ZhBRlx8nprwE
+nmYVCsVBrX2CFXXPU+D+bbkkIe/foofp+xoUrg9DHZw
+-> ssh-ed25519 V3XmEA Pwv3oCwcY0DX8rY48UNfsj9RumWsn4dbgorYHCwObgI
+FKxRYkL3JHtJxUwymWDF0rAtJ33BivDI6IfPsfumM90
+-> V'v(/u$-grease em/Vgf 2qDuk
+7I3iiQLPGi1COML9u/JeYkr7EqbSLoU
+--- 57WJRigUGtmcObrssS3s4PvmR8wgh1AOC/ijJn1s3xI
+<EFBFBD>'K<>ƷY&<26>7G<37>O<EFBFBD><4F>Fj
<13>k<EFBFBD>X<EFBFBD><58>BnuJ<75><4A>:9<>(<><7F><EFBFBD>X<EFBFBD>#<23>A<EFBFBD><41><EFBFBD><EFBFBD>ڧj<DAA7>,<02>_<17><><EFBFBD>?<3F>Z<EFBFBD><17>v<EFBFBD><76>V<EFBFBD>96]oks~%<25>c	<04>e^C<>%JQ5<51><H<>z}<7D>C<EFBFBD>,<2C>p<EFBFBD><70>*!W<><57><EFBFBD>A<EFBFBD><41><EFBFBD>҅dC<15>K)<10><>-<2D>y

pkgs/agenix/example/secret2.age

@@ -0,0 +1,5 @@
+age-encryption.org/v1
+-> ssh-ed25519 V3XmEA OB4+1FbPhQ3r6iGksM7peWX5it8NClpXIq/o5nnP7GA
+FmHVUj+A5i5+bDFgySQskmlvynnosJiWUTJmBRiNA9I
+--- tP+3mFVtd7ogVu1Lkboh55zoi5a77Ht08Uc/QuIviv4
+<EFBFBD><EFBFBD>X<EFBFBD>{<7B><>O<EFBFBD><4F><1F><04>tMXx<58>vӪ(<28>I<EFBFBD>myP<79><50><EFBFBD><EFBFBD>+3<>S3i

pkgs/agenix/example/secrets.nix

@@ -0,0 +1,23 @@
+let
+  user1 = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIL0idNvgGiucWgup/mP78zyC23uFjYq0evcWdjGQUaBH";
+  system1 = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPJDyIr/FSz1cJdcoW69R+NrWzwGK/+3gJpqD1t8L2zE";
+in
+{
+  "secret1.age".publicKeys = [
+    user1
+    system1
+  ];
+  "secret2.age".publicKeys = [ user1 ];
+  "passwordfile-user1.age".publicKeys = [
+    user1
+    system1
+  ];
+  "-leading-hyphen-filename.age".publicKeys = [
+    user1
+    system1
+  ];
+  "armored-secret.age" = {
+    publicKeys = [ user1 ];
+    armor = true;
+  };
+}