Add dependencies

Cargo.toml

@@ -6,3 +6,6 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+tokio = { version = "1.15", features = ["full"] }
+reqwest = { version = "0.11", features = ["json"] }
+serde_json = "1.0.99"

src/main.rs

@@ -1,3 +0,0 @@
-fn main() {
-    println!("Hello, world!");
-}