Add actix_identity package

Cargo.toml

@@ -29,6 +29,7 @@ diesel = { version = "2.1.4", features = ["postgres", "r2d2"], optional = true }
 lazy_static = { version = "1.4.0", optional = true }
 serde = { versions = "1.0.195", features = ["derive"] }
 openssl = { version = "0.10.63", optional = true }
+actix-identity = { version = "0.7.0", optional = true }
 
 [features]
 csr = ["leptos/csr", "leptos_meta/csr", "leptos_router/csr"]
@@ -44,6 +45,7 @@ ssr = [
   "diesel",
   "lazy_static",
   "openssl",
+  "actix-identity",
 ]
 
 # Defines a size-optimized profile for the WASM bundle in release mode