Pre-Match Graphics Pack v1 Added

Added:
- Toss Winner Graphic
- Playing XI Graphic
- Next Match Graphic
- Director controls
- Overlay polling API

Files:
- assets/css/prematch_graphics_pack_v1.css
- assets/js/prematch_graphics_pack_v1.js
- assets/js/prematch_director_controls.js
- api/prematch_graphics_state.php
- prematch_graphics_test.php

Test:
http://localhost/point/prematch_graphics_test.php