refacto(react-rust-postgres): replace rocket by actix-web (#153)

Signed-off-by: Jérémie Drouet <jeremie.drouet@gmail.com>

react-rust-postgres/backend/Cargo.toml

@@ -7,17 +7,11 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-diesel_migrations = "1.4.0"
-rocket = "0.4.4"
+actix-web = "4.0.0-beta.8"
+deadpool-postgres = "0.9.0"
+env_logger = "^0.8"
+log = "^0.4"
 serde = "1.0"
 serde_json = "1.0"
-serde_derive = "1.0"
-
-[dependencies.diesel]
-version = "1.0.0"
-features = ["postgres"]
-
-[dependencies.rocket_contrib]
-version = "0.4.4"
-default-features = false
-features = ["json", "diesel_postgres_pool"]
+tokio-postgres = "^0.7"
+tokio-postgres-migration = "^0.1"