add missing documentation in config.lua and application source code

src/config_parser/mod.rs

@@ -1 +1,2 @@
 pub mod parser;
+pub mod parser_models;

src/config_parser/parser.rs

@@ -1,22 +1,10 @@
 //! This module provides the functionality to parse the lua config and convert the config options
 //! into rust readable form.
 
+use super::parser_models::Style;
 use rlua::Lua;
-use serde::Serialize;
 use std::fs;
 
-#[derive(Serialize, Clone)]
-pub struct Style {
-    pub theme: String,
-    pub colorscheme: String,
-}
-
-impl Style {
-    pub fn new(theme: String, colorscheme: String) -> Self {
-        Style { theme, colorscheme }
-    }
-}
-
 /// A named struct which stores the parsed config file options.
 ///
 /// # Fields

src/config_parser/parser_models.rs

@@ -0,0 +1,35 @@
+//! This module provides public models for handling, storing and serializing parsed config file
+//! options from config.lua by grouping them togather.
+
+use serde::Serialize;
+
+/// A named struct which stores, serializes and groups the parsed config file options of theme and
+/// colorscheme names into the Style struct which derives the `Clone` and `Serialize` traits
+/// where the `Clone` trait is derived for allowing the struct to be cloned and passed to the
+/// server as a shared data between all routes except `/robots.txt` and the `Serialize` trait
+/// has been derived for allowing the object to be serialized so that it can be passed to
+/// handlebars template files.
+///
+/// # Fields
+//
+/// * `theme` - It stores the parsed theme option used to set a theme for the website.
+/// * `colorscheme` - It stores the parsed colorscheme option used to set a colorscheme for the
+/// theme being used.
+#[derive(Serialize, Clone)]
+pub struct Style {
+    pub theme: String,
+    pub colorscheme: String,
+}
+
+impl Style {
+    /// Constructs a new `Style` with the given arguments needed for the struct.
+    ///
+    /// # Arguments
+    ///
+    /// * `theme` - It takes the parsed theme option used to set a theme for the website.
+    /// * `colorscheme` - It takes the parsed colorscheme option used to set a colorscheme
+    /// for the theme being used.
+    pub fn new(theme: String, colorscheme: String) -> Self {
+        Style { theme, colorscheme }
+    }
+}