feat(fullstack): support wasm target

packages/ssr/Cargo.toml

@@ -18,9 +18,15 @@ rustc-hash = "1.1.0"
 lru = "0.10.0"
 tracing = { workspace = true }
 http = "0.2.9"
-tokio = { version = "1.28", features = ["fs", "io-util"], optional = true }
 async-trait = "0.1.58"
 serde_json = { version = "1.0" }
+web-time = "1.0.0"
+
+[target.'cfg(target_arch = "wasm32")'.dependencies]
+tokio = { version = "1.28", features = ["io-util"], optional = true }
+
+[target.'cfg(not(target_arch = "wasm32"))'.dependencies]
+tokio = { version = "1.28", features = ["fs", "io-util"], optional = true }
 
 [dev-dependencies]
 dioxus = { workspace = true }