adds initial motor bravo implementation

Cargo.lock

@@ -595,6 +595,12 @@ dependencies = [
  "microlp",
 ]
 
+[[package]]
+name = "heck"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
+
 [[package]]
 name = "http"
 version = "1.4.0"
@@ -778,6 +784,9 @@ dependencies = [
  "nautilus_common",
  "postcard",
  "rpi-pal",
+ "strum",
+ "strum_macros",
+ "thiserror",
 ]
 
 [[package]]
@@ -1332,6 +1341,24 @@ dependencies = [
  "smallvec",
 ]
 
+[[package]]
+name = "strum"
+version = "0.28.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9628de9b8791db39ceda2b119bbe13134770b56c138ec1d3af810d045c04f9bd"
+
+[[package]]
+name = "strum_macros"
+version = "0.28.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab85eea0270ee17587ed4156089e10b9e6880ee688791d45a905f5b1ca36f664"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.112",
+]
+
 [[package]]
 name = "subtle"
 version = "2.6.1"