add set url endpoint

README.md

@@ -0,0 +1,21 @@
+# api-client
+
+Rust api client for demos.tf
+
+## Example
+
+```rust
+use demostf_client::{ListOrder, ListParams, ApiClient};
+
+#[tokio::main]
+async fn main() -> Result<(), demostf_client::Error> {
+    let client = ApiClient::new();
+    
+    let demos = client.list(ListParams::default().with_order(ListOrder::Ascending), 1).await?;
+    
+    for demo in demos {
+        println!("{}: {}", demo.id, demo.name);
+    }
+    Ok(())
+}
+```