Prototype API (#1)

* Add oauth2 client

* Update LICENSE.txt

* Create .env.example

* Add dotenv to example

* Add oauth2 types

* Update lib.rs

* Update Cargo.toml

* Update lib.rs

* Add games routes

examples/token.rs

@@ -0,0 +1,23 @@
+// Copyright (c) Tribufu. All Rights Reserved
+
+use dotenv::dotenv;
+use std::env;
+use tribufu::*;
+
+#[tokio::main]
+async fn main() {
+    dotenv().ok();
+
+    let client_id = env::var("CLIENT_ID").unwrap().parse::<u64>().unwrap();
+    let client_secret = env::var("CLIENT_SECRET").unwrap();
+
+    let mut client = TribufuClient::new(client_id, client_secret).unwrap();
+
+    client.get_token(None).await.unwrap();
+
+    let games = client.get_games().await.unwrap();
+
+    games.iter().for_each(|game| {
+        println!("{}", game.name);
+    });
+}