cargo: gate motion sim behind feature flag

Cargo.toml

@@ -8,6 +8,9 @@ version      = "0.1.0"
 name = "renderbug-embassy"
 path = "./src/bin/main.rs"
 
+[features]
+simulation = ["dep:csv-core"]
+
 [dependencies]
 figments = { path = "../figments/figments/", features = ["alloc"] }
 esp-bootloader-esp-idf = { version = "0.2.0", features = ["esp32s3"] }
@@ -94,7 +97,7 @@ nalgebra = { version = "0.33.2", default-features = false }
 esp-storage = { version = "0.7.0", features = ["esp32s3"] }
 bleps =  { git = "https://github.com/bjoernQ/bleps", package = "bleps", rev = "a5148d8ae679e021b78f53fd33afb8bb35d0b62e", features = [ "macros", "async"] }
 serde_json = {version = "1.0.145", default-features = false, features = ["alloc"] }
-csv-core = "0.1.12"
+csv-core = {version = "0.1.12", optional = true }
 kfilter = "0.4.0"
 
 [profile.dev]