Update 'README.md'

Add a description for the authoring system.

README.md

@@ -40,6 +40,11 @@ This folder contains an index file that displays an article list generated by pa
 | "/blog/by_year/2022/06/28_A_Test_Post/"| | |
 | "A Test Post" | | |
 
+## Authors
+
+Post authors can be kept under `/blog/authors/`. Authors are kept in separate directories.
+
+The authors directory is parsed by [`article.php`](/git/20xd6/simple_blog/src/commit/7734de9fa483257a90a658b74b78b47e4de716e2/common/php/article.php#L25) using a file named `author` from the post's directory. This file should contain a single line with the author's name.
 
 ## File Descriptions
 
@@ -49,14 +54,14 @@ Contains the blog articles. The articles are placed in subdirectories of `by_yea
 
 ```
 ├── by_year
-│   ├── 2021
-│   │   ├── 12
-│   │   └── index.php -> /path/to/common/index.php
-│   ├── 2022
-│   │   ├── 01
-│   │   ├── 02
-│   │   └── index.php -> /path/to/common/index.php
-│   └── index.php
+│   ├── 2021
+│   │   ├── 12
+│   │   └── index.php -> /path/to/common/index.php
+│   ├── 2022
+│   │   ├── 01
+│   │   ├── 02
+│   │   └── index.php -> /path/to/common/index.php
+│   └── index.php
 └── index.php  -> /path/to/common/index.php
 ```
 
@@ -69,49 +74,44 @@ This directory contains the files and libraries used to render the site's pages.
 * composer.lock
 * [/common/vendor]() - Stores the composer files and libraries managed via composer.
 
-#### CSS
+#### [CSS](/git/20xd6/simple_blog/src/branch/master/common/css)
 
-* [styles.css](/git/20xd6/simple_blog/src/branch/master/common/styles.css) - The main site CSS.
-* [jmenu.css]() - Used to render the responsive menus.
-* [print.css]() - Used to style printed pages.
-* [gallery.css]() - Styles the floating 
+* [styles.css](/git/20xd6/simple_blog/src/branch/master/common/css/styles.css) - The main site CSS.
+* [jmenu.css](/git/20xd6/simple_blog/src/branch/master/common/css/jmenu.css) - Used to render the responsive menus.
+* [print.css](/git/20xd6/simple_blog/src/branch/master/common/css/print.css) - Used to style printed pages.
 
-#### JS
+#### [JS](/git/20xd6/simple_blog/src/branch/master/common/js)
 
-* font_size.js
-* [page_format.js]() - The main JS file used for formatting and adding extra functions to pages.
-* gallery.js
+* [page_format.js](/git/20xd6/simple_blog/src/branch/master/common/js/page_format.js) - The main JS file used for formatting and adding extra functions to pages.
 
-#### PHP
+#### [PHP](/git/20xd6/simple_blog/src/branch/master/common/php)
 
-* [footer.php]() - The common page footer. Contains copyright information and links to the license.
-* [get_month_name.php]() - Translates a numeral month into the corresponding name. I.E. 01 into January.
-* [h1_month.php]() - Adds the proper `<h1>` heading based on the location of the 
-* [header.php]() - The common page header.
-* [index.php]() - The index file used for most of the pages on the site.
+* [footer.php](/git/20xd6/simple_blog/src/branch/master/common/php/footer.php) - The common page footer. Contains copyright information and links to the license.
+* [get_month_name.php](/git/20xd6/simple_blog/src/branch/master/common/php/get_month_name.php) - Translates a numeral month into the corresponding name. I.E. 01 into January.
+* [h1_month.php](/git/20xd6/simple_blog/src/branch/master/common/php/h1_month.php) - Adds the proper `<h1>` heading based on the location of the 
+* [header.php](/git/20xd6/simple_blog/src/branch/master/common/php/header.php) - The common page header.
+* [index.php](/git/20xd6/simple_blog/src/branch/master/common/php/index.php) - The index file used for most of the pages on the site.
 * [markdown.php]()
-* [md_read.php]() - Renders Markdown files and adds 
-* [menu.php]() - Generates the blog menu items in the navigation menu.
-* [modal.php]() - Adds the modal `<div>` for displaying the image pop out.
-* [page_menu.php]() - Generates a menu from the files and directories where it's run from.
-* [page_menu_table.php]()
-* [path_menu.php]()
+* [md_read.php](/git/20xd6/simple_blog/src/branch/master/common/php/md_read.php) - Renders Markdown files and adds 
+* [menu.php](/git/20xd6/simple_blog/src/branch/master/common/php/menu.php) - Generates the blog menu items in the navigation menu.
+* [modal.php](/git/20xd6/simple_blog/src/branch/master/common/php/modal.php) - Adds the modal `<div>` for displaying the image pop out.
+* [page_menu.php](/git/20xd6/simple_blog/src/branch/master/common/php/page_menu.php) - Generates a menu from the files and directories where it's run from.
 
-#### /common/error_pages/
+#### [/common/error_pages/](/git/20xd6/simple_blog/src/branch/master/common/error_pages)
 
-* [/common/403.php]() - The 403 not allowed page.
-* [/common/404.php]() - The 404 page.
-* [/common/500.php]() - Displayed for all HTTP 500 errors
+* [403.php](/git/20xd6/simple_blog/src/branch/master/common/error_pages/403.php) - The 403 not allowed page.
+* [404.php](/git/20xd6/simple_blog/src/branch/master/common/error_pages/404.php) - The 404 page.
+* [500.php](/git/20xd6/simple_blog/src/branch/master/common/error_pages/500.php) - Displayed for all HTTP 500 errors
 
-#### /common/imgs/
+#### [/common/imgs/](/git/20xd6/simple_blog/src/branch/master/common/imgs)
 
 Images used site wide.
 
-* [cursor.gif]() - Blinking cursor used on the front page.
-* [icon-rss.png]() - RSS icon
+* [cursor.gif](/git/20xd6/simple_blog/src/branch/master/common/imgs/cursor.gif) - Blinking cursor used on the front page.
+* [icon-rss.png](/git/20xd6/simple_blog/src/branch/master/common/imgs/icon-rss.png) - RSS icon
 
 
-#### /common/prisim 
+#### [/common/prisim](/git/20xd6/simple_blog/src/branch/master/common/prisim) 
 
 Files for the prism syntax highlighter.