Add serialization for GnssDegradationConfiguration and other types in messages module as needed.

Fixes #84

Author: jbrodovsky

Cargo.lock

@@ -34,7 +34,11 @@ rand_distr = "0.5.1"
 serde = { version = "1.0.219", features = ["derive"] }
 world_magnetic_model = "0.4.0"
 anyhow = "1.0.99"
+serde_json = "1.0"
+serde_yaml = "0.9"
+toml = "0.7"
 
 [dev-dependencies]
 assert_approx_eq = "1.1.0"
+tempfile = "3.5"