Creating a library for iOS

In this project, you're going to create a library for iOS. The main functionality of the library is allowing users to pick pages from a specified Power Point file (.pptx) and create a new pptx that only contains the pages. # Requisites * Create a library for iOS * It must expose a view controller * The view controller must be able to load a pptx file * The view controller must display thumbnails of all pages in the pptx file * The view controller must allow a user to select some of the pages in the pptx file * It must expose a converter class * The converter class must be able to load a pptx file * The converter class must be able to create a new pptx file that only contains specified pages of the pptx file it loaded * The new pptx file must not contain any resources that are irrelevant to the specified pages * The library must work on both iPhone and iPad with different screen sizes # Deliverables * Code for the library * Test code for the library * Test pptx files * A sample application * Documents * You need to push these items to a git repository with appropriate commit history