Merge pull request #1448 from samsonasik/doc-app-structure

documentation: add missing application structures: Database, Filters, ThirdParty directory

user_guide_src/source/concepts/structure.rst

@@ -22,10 +22,13 @@ structure that works well for many applications. The following folders make up t
 	/application
 		/Config         Stores the configuration files
 		/Controllers    Controllers determine the program flow
+		/Database       Stores the database migrations and seeds files
+		/Filters        Stores filter classes that can run before and after controller
 		/Helpers        Helpers store collections of standalone functions
 		/Language       Multiple language support reads the language strings from here
 		/Libraries      Useful classes that don't fit in another category
 		/Models         Models work with the database to represent the business entities.
+		/ThirdParty     ThirdParty libraries that can be used in application
 		/Views          Views make up the HTML that is displayed to the client.
 
 Because the ``application`` directory is already namespaced, you should feel free to modify the structure