Added markdown readme file.

README.md

+# SUCS Site
+---
+## Project Structure
+<br>
+
+| Directory | Description |
+| --------- | ----------- |
+| components | PHP components of the site, each drives a separate element - e.g. static content, the library, the help system, etc. |
+| htdocs/css | Cascading StyleSheets |
+| htdocs/files | Files for download (e.g. Help examples) |
+| htdocs/images | Images used by the site skin |
+| htdocs/js | JavaScript |
+| htdocs/js/tinymce | Placeholder dir for TinyMCE, which should not itself be stored in SVN |
+| htdocs/pictures | Images used in the content (e.g. /Help) |
+| lib | Custom libraries used by the site - e.g. session library |
+| plugins | Custom Smarty plugins used by the site - e.g. banana drawing function |
+| static | Static content for the static content components (includes help) |
+| static/fragments | Any HTML fragments used to make up parts of pages (e.g. secondary bars) |
+| templates | Smarty templates |
+| templates_c | Compiled Smarty templates - do not use this dir |
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