Move catch all to top. LIst general codeowners for every pattern. (#231)

.github/CODEOWNERS

@@ -1,16 +1,17 @@
+# general codeowners for all files
+# (Order matters. This needs to be at the top)
+* @nvidia/cccl-codeowners
+
 # Libraries
-thrust/ @nvidia/cccl-thrust-codeowners
-cub/ @nvidia/cccl-cub-codeowners
-libcudacxx/ @nvidia/cccl-libcudacxx-codeowners
+thrust/ @nvidia/cccl-thrust-codeowners @nvidia/cccl-codeowners 
+cub/ @nvidia/cccl-cub-codeowners @nvidia/cccl-codeowners
+libcudacxx/ @nvidia/cccl-libcudacxx-codeowners @nvidia/cccl-codeowners
 
 # Infrastructure
-.github/ @nvidia/cccl-infra-codeowners
-ci/ @nvidia/cccl-infra-codeowners
-.devcontainer/ @nvidia/cccl-infra-codeowners
+.github/ @nvidia/cccl-infra-codeowners @nvidia/cccl-codeowners
+ci/ @nvidia/cccl-infra-codeowners @nvidia/cccl-codeowners
+.devcontainer/ @nvidia/cccl-infra-codeowners @nvidia/cccl-codeowners
 
 # cmake
-**/CMakeLists.txt @nvidia/cccl-cmake-codeowners
-**/cmake/ @nvidia/cccl-cmake-codeowners
-
-# general codeowners for all files
-* @nvidia/cccl-codeowners
+**/CMakeLists.txt @nvidia/cccl-cmake-codeowners @nvidia/cccl-codeowners
+**/cmake/ @nvidia/cccl-cmake-codeowners  @nvidia/cccl-codeowners