[FEAT] Add support for guix package manager about fastfetch HOT 1 CLOSED

diff --git a/src/detection/packages/packages.h b/src/detection/packages/packages.h
index 4e954b96..0c6cf33c 100644
--- a/src/detection/packages/packages.h
+++ b/src/detection/packages/packages.h
@@ -31,6 +31,8 @@ typedef struct FFPackagesResult
     uint32_t sorcery;
     uint32_t winget;
     uint32_t xbps;
+    uint32_t guixSystem;
+    uint32_t guixUser;
 
     uint32_t all; //Make sure this goes last