Add actions API methods for working with self-hosted runners (#483)

examples/list_org_self_hosted_runners.rs

@@ -0,0 +1,36 @@
+use octocrab::Octocrab;
+
+#[tokio::main]
+async fn main() -> octocrab::Result<()> {
+    // Note: this token must have the `admin:org` scope. An alternative use case
+    // may be to authenticate as a GitHub App. See github_app_authentication.rs
+    // for that.
+    let token = std::env::var("GITHUB_TOKEN").expect("GITHUB_TOKEN env variable is required");
+
+    let octocrab = Octocrab::builder().personal_token(token).build()?;
+
+    let runners = octocrab
+        .actions()
+        .list_org_self_hosted_runners("my-org")
+        .per_page(100)
+        .send()
+        .await?;
+
+    for runner in runners {
+        println!("ID {}:", runner.id);
+        println!("    Name:\t{}", runner.name);
+        println!("    OS:\t\t{}", runner.os);
+        println!("    Status:\t{}", runner.status);
+        println!("    Busy:\t{}", runner.busy);
+        print!("    Labels:\t[");
+        for (index, label) in runner.labels.iter().enumerate() {
+            print!("\"{}\"", label.name);
+            if index != runner.labels.len() - 1 {
+                print!(", ");
+            }
+        }
+        println!("]");
+    }
+
+    Ok(())
+}