initial attempt at using colmena to deploy nixos configurations

Can be used that way:
```
colmena exec --impure -v --on do-rproxy -- 'systemctl status nginx'
```

or
```
colmena --impure apply dry-activate --on synology-vm
```

1 files changed, 5 insertions, 0 deletions

diff --git a/flake.nix b/flake.nix
index 78c8341..1247dac 100644
--- a/flake.nix
+++ b/flake.nix
@@ -56,6 +56,11 @@
       inputs.nixpkgs-lib.follows = "nixpkgs";
     };
 
+    colmena = {
+      url = "github:zhaofengli/colmena";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
     my-go-tools.url = "git+https://code.fcuny.net/fcuny/x";
   };