- removing rocket_contrib from deps

+ Adding rocket feature json

api/Cargo.toml

@@ -6,16 +6,12 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-rocket = "0.5.0-rc.1"
+rocket = { version = "0.5.0-rc.1", features = [ "json" ] }
 tokio = "1.0"
 serde = { version = "1.0", features = [ "derive" ] }
 base64 = "0.13.0"
 
-[dependencies.rocket_contrib]
-version = "0.4.10"
-default-features = false
-features = ["serve", "json"]
 
 [dependencies.rocket_dyn_templates]
 version = "0.1.0-rc.1"
-features = ["tera"]
+features = ["tera"]