Move all rendering code to client

[sourencho]

Description

Move all rendering code to client so that we can run the server in a remote server. This is a better design because rather than the game logic/data code being mushed together with the rendering code, we now have separate rendering classes that query the game data and render.

Fixes

Fixes #147

Commits

[b9f4ef7] Move all rendering code to client

• Create GameObjectRenderer owned by RenderingController which is responsible for rendering game objects
• Create DrawableGroup and DrawableMine which are the visual representations of groups and mines. They are updated with the group/mine properties at the draw step- Create GameObjectRenderer owned by RenderingController which is responsible for rendering game objects
• Create DrawableGroup and DrawableMine which are the visual representations of groups and mines. They are updated with the group/mine properties at the draw step

[f0b9523] DrawableGroup/Mine/Circle code cleanup

• Create base class DrawableCircle for DrawableGroup/Mine that provides setTexture/Shader methods
• Remove voronoi_background shader (unused)

[c013478] Minor fix

[sourencho]

Successfully started the server on the remote server 🎉

[souren@li1968-26 ungroup_game]$ ./build/src/server/ug-server
Starting ungroup game server.