integrated hetzner client in repo + showcase of using scope for 'cleaner' scripts

packages/clients/hetznerclient/src/config.rs

@@ -0,0 +1,25 @@
+use std::env;
+
+#[derive(Clone)]
+pub struct Config {
+    pub username: String,
+    pub password: String,
+    pub api_url: String,
+}
+
+impl Config {
+    pub fn from_env() -> Result<Self, String> {
+        let username = env::var("HETZNER_USERNAME")
+            .map_err(|_| "HETZNER_USERNAME environment variable not set".to_string())?;
+        let password = env::var("HETZNER_PASSWORD")
+            .map_err(|_| "HETZNER_PASSWORD environment variable not set".to_string())?;
+        let api_url = env::var("HETZNER_API_URL")
+            .unwrap_or_else(|_| "https://robot-ws.your-server.de".to_string());
+
+        Ok(Config {
+            username,
+            password,
+            api_url,
+        })
+    }
+}