Add sheet system and reorganize workspace

- Add new "sheet" crate to workspace
- Rename "systems/asset" to "systems/_asset"
- Reorder workspace members and dependencies for clarity
- Update constants with new paths for auth and rules
- Add conditional compilation for system module

1 files changed, 4 insertions, 0 deletions

diff --git a/Cargo.lock b/Cargo.lock
index 2d7e822..62f0c72 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1371,6 +1371,10 @@ dependencies = [
 ]
 
 [[package]]
+name = "sheet"
+version = "0.1.0"
+
+[[package]]
 name = "shlex"
 version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"