Start local server on client run

rust/sea_battle_backend/src/utils/string_utils.rs

@@ -0,0 +1,23 @@
+use rand::distributions::Alphanumeric;
+use rand::{thread_rng, Rng};
+
+/// Generate a random string of a given size
+pub fn rand_str(len: usize) -> String {
+    thread_rng()
+        .sample_iter(&Alphanumeric)
+        .map(char::from)
+        .take(len)
+        .collect()
+}
+
+#[cfg(test)]
+mod test {
+    use crate::utils::string_utils::rand_str;
+
+    #[test]
+    fn test_rand_str() {
+        let size = 10;
+        let rand = rand_str(size);
+        assert_eq!(size, rand.len());
+    }
+}