adds initial motor bravo implementation

flight/Cargo.toml

@@ -15,6 +15,9 @@ nautilus_common = { workspace = true }
 postcard = { workspace = true }
 rpi-pal = { workspace = true, features = ["hal"], optional = true }
 good_lp = { workspace = true, features = ["microlp"] }
+strum = {workspace = true}
+strum_macros = {workspace = true}
+thiserror = {workspace = true}
 
 [dev-dependencies]
 embedded-hal-mock = { workspace = true }