Add chat template to gguf metadata

c4ai-command-r-v01-imat-IQ4_XS.gguf

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:98802e68c603e08ee8f0d0e9a619343da2390934ae16d0f43c018565625ae890
-size 19201824928
+oid sha256:7ea2f2008f0648d8c48858eb687c9fae14615272a74b7839cfc340712e1adadc
+size 19201833952