Development Log 17

- Core Mechanic changes to Isometric 2.5D
- Added two camera angles: a medium angle camera that focuses on the current character, and a Bird's-eye view camera angle that will be used during the strategy phase.
- Added a new water shader that can render 2D sprites on top of it.
- Added tile's border that makes an environment between tiles look smoother than older versions.
- Added bridges on multi-level scene.
- Added stair tiles so, that players can walk up or down to another level of the scene.