Tiny doc update

Tiny doc update

src/main.rs

@@ -1,3 +1,6 @@
+//! CAI-Watchdog is a lightweigth watchdog for *nix and Windows
+//! Author: Alexander I. Chebykin (CAI) <alex.chebykin@gmail.com>
+
 #[macro_use]
 extern crate ini;
 extern crate exitcode;

src/mod_fs.rs

@@ -1,3 +1,6 @@
+//! CAI-Watchdog filesystem module
+//! Author: Alexander I. Chebykin (CAI) <alex.chebykin@gmail.com>
+
 use std::env;
 use std::path::PathBuf;
 

src/mod_locales.rs

@@ -1,3 +1,8 @@
+//! CAI-Watchdog localization module
+//! Author: Alexander I. Chebykin (CAI) <alex.chebykin@gmail.com>
+//!
+//! External localizations stored in /locales/ directory
+
 use std::borrow::Borrow;
 use std::path::Path;
 
@@ -162,6 +167,18 @@ impl Locale {
         }
     }
 
+    /// Return object with locale data
+    ///
+    /// If there is no localization file for current system locale, fallback (English) locale will be returned
+    ///
+    /// # Example
+    ///
+    /// ```
+    /// let locale = mod_locales::Locale::new();
+    ///
+    /// println!("\u{26a0} {}! {}.", locale.t().error, locale.t().cant_find_config_file);
+    /// println!("{}", locale.t().exiting);
+    /// ```
     pub fn t(&self) -> &Lang {
         return self.locale.borrow().clone();
     }