Add git-crypt

Add .gitattributes for git-crypt, this detects files matching *.crypt.*
this allows us to put secrets files anywhere in the repository.

Add 2 git-crypt collaborators

    BE99ADB5 Samuel Shuert <coded@clicks.codes>
    22772E7A Minion3665 <minion@clicks.codes>

Change-Id: Iffcfd9ff0f7f1cf4991ffa2e89b4403f0d29f675
Reviewed-on: https://git.clicks.codes/c/Chimera/NixFiles/+/410
Reviewed-by: Skyler Grey <minion@clicks.codes>
Tested-by: Samuel Shuert <coded@clicks.codes>
diff --git a/homes/x86_64-linux/minion@greylag/default.nix b/homes/x86_64-linux/minion@greylag/default.nix
index e651678..2783ba4 100644
--- a/homes/x86_64-linux/minion@greylag/default.nix
+++ b/homes/x86_64-linux/minion@greylag/default.nix
@@ -112,6 +112,7 @@
       delta.enable = true;
       stgit.enable = true;
       gitReview.enable = true;
+      gitCrypt.enable = true;
       auth.clicksUsername = "minion";
       gpg.enable = true;
     };