Added From trait to Settings

src/settings/mod.rs

@@ -178,6 +178,28 @@ impl PartialEq for Settings {
     }
 }
 
+impl<S> From<S> for Settings
+where
+    S: ToString,
+{
+    /// Import settings from file path described by the argument `source`
+    ///
+    /// # Arguments
+    ///
+    /// * `source` - path to the file from which settings should be imported
+    ///
+    /// # Example
+    ///
+    /// ```no_run
+    /// let s = lang_evolve_core::settings::Settings::from("settings.yml");
+    /// ```
+    fn from(source: S) -> Self {
+        let source = source.to_string();
+        let path = std::path::Path::new(&source);
+        Settings::import(&path).unwrap()
+    }
+}
+
 impl Eq for Settings {}
 
 #[test]