api: use async and gate non-wasm friendly features

Author: mcobzarenco

api/Cargo.toml

@@ -13,16 +13,22 @@ name = "reinfer_client"
 
 [dependencies]
 chrono = { version = "0.4.19", features = ["serde"] }
+futures = "0.3.21"
 log = "0.4.17"
 once_cell = "1.13.0"
 ordered-float = { version = "3.0.0", features = ["serde"] }
 regex = "1.6.0"
-reqwest = { version = "0.11.11", default-features = false, features = ["blocking", "gzip", "json", "multipart", "native-tls-vendored"] }
+reqwest = { version = "0.11.11", default-features = false, features = ["gzip", "json", "multipart", "native-tls-vendored"] }
 serde = { version = "1.0.138", features = ["derive"] }
 serde_json = "1.0.82"
 serde_with = "1.14.0"
 thiserror = "1.0.31"
 url = "2.2.2"
 
+[features]
+default = ["native"]
+native = []
+
 [dev-dependencies]
 mockito = "0.31.0"
+tokio = { version = "1.19.2", default-features = false, features = ["rt", "macros"] }