feat(systems): Add new system ocicat

Coded has gotten a new laptop and therefore needs another system, this
is that

Change-Id: I4287715eda72de11055360a0342c03898496c810
Reviewed-on: https://git.clicks.codes/c/Chimera/NixFiles/+/762
Tested-by: Samuel Shuert <coded@clicks.codes>
Reviewed-by: Samuel Shuert <coded@clicks.codes>
diff --git a/systems/x86_64-linux/ocicat/compositor/default.nix b/systems/x86_64-linux/ocicat/compositor/default.nix
new file mode 100644
index 0000000..d6a852e
--- /dev/null
+++ b/systems/x86_64-linux/ocicat/compositor/default.nix
@@ -0,0 +1,3 @@
+{
+  chimera.compositors.niri.enable = true;
+}