chore: add #[forbid(unsafe_code)] to all crates (#131)

crates/api_models/src/lib.rs

@@ -1,3 +1,4 @@
+#![forbid(unsafe_code)]
 pub mod admin;
 pub mod bank_accounts;
 pub mod cards;

crates/common_utils/src/lib.rs

@@ -1,3 +1,4 @@
+#![forbid(unsafe_code)]
 #![warn(
     missing_docs,
     rust_2018_idioms,

crates/redis_interface/src/lib.rs

@@ -1,3 +1,4 @@
+#![forbid(unsafe_code)]
 // TODO: Add crate & modules documentation for this crate
 
 pub mod commands;

crates/router/src/lib.rs

@@ -1,3 +1,4 @@
+#![forbid(unsafe_code)]
 // FIXME: I strongly advise to add this worning.
 // #![warn(missing_docs)]
 

crates/router_derive/src/lib.rs

@@ -1,5 +1,5 @@
 //! Utility macros for the `router` crate.
-
+#![forbid(unsafe_code)]
 #![warn(missing_docs)]
 
 mod macros;

crates/router_env/src/lib.rs

@@ -1,3 +1,4 @@
+#![forbid(unsafe_code)]
 #![warn(
     missing_docs,
     rust_2018_idioms,