Edu App maintain - ios - part 2

dev 2 new features base on current ios app. i. update course category explore page ii. restricted mode Note: we provide all icons & images resource、layout UI specification. you can find the app's current version by : [login to view URL] or search “博雅云课堂” in apple app store. Precautions:  all the source code and relative docments will managed in an internal public github reposistory provided by us. because of work needs, we will authorize you to access the source code of this APP. But without our consent and authorization, all source codes, private libraries and documents that we provide to you for this project(APP) MUST NOT be disclosed, copied and disseminated to any third party, or obtain other benefits from 3rd party through our source code. Otherwise, we reserve the right to claim compensation.  the routine develop MUST submit to the repo. Our cooperation is base on the trust between you and us, if you do not submit your work results to the repository in time, or the progress reflected in your work results is obviously not in line with the set time of the corresponding task, obviously, this will increases the risk that our project cannot be completed as planned, so we reserve the right to cancel the cooperation.  make sure that the delivery source code and documents don’t violated the legal rights of any third party.  If you use open source code, please make sure that the open source agreement is MIT, or BSD, or Apache.