Started querying public transporatation

client/bin/src/straba.rs

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+/* @file straba.rs
+ * @brief fetch next depature of light rail vehicle
+ */
+use std::error::Error;
+
+const stationURL:&str = "https://www.rnv-online.de/rest/departure/2494/1";
+
+pub fn fetchData() -> Result<(), Box<dyn Error>> {
+    println!("Test RNV API");
+    let resp = reqwest::blocking::get(stationURL)?.text()?;
+    println!("{:#?}", resp);
+    Ok(())
+}