refactor: migrate from mod.rs to named module files

src/utils.rs

@@ -0,0 +1,19 @@
+//! ## Utils
+//!
+//! `utils` is the module which provides utilities of different kind
+
+// modules
+pub mod crypto;
+pub mod file;
+pub mod fmt;
+pub mod parser;
+pub mod path;
+pub mod random;
+pub mod ssh;
+pub mod string;
+pub mod tty;
+pub mod ui;
+
+#[cfg(test)]
+#[allow(dead_code)]
+pub mod test_helpers;