chore: add consumer crate to workspace

Co-Authored-By: Tejas Badadare <tejas@dourolabs.xyz>

lazer/Cargo.toml

@@ -2,6 +2,7 @@
 resolver = "2"
 members = [
   "sdk/rust/protocol",
+  "sdk/rust/consumer",
   "contracts/solana/programs/pyth-lazer-solana-contract",
 ]