Add release optimizations

Cargo.toml

@@ -5,6 +5,11 @@ edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
+[profile.release]
+strip = true
+lto = true
+codegen-units = 1
+
 [dependencies]
 actix-web = "4"
 actix-cors = "0.6.1"