Add: new png's for bomb animation, InputHandler.java: Add: new option for key presses

...stuttgart/battlearena/Controller/GameSceneController.java

...ava/de/hdm_stuttgart/battlearena/Model/Entity/Player.java

.../hdm_stuttgart/battlearena/Model/Inputs/InputHandler.java

...a/de/hdm_stuttgart/battlearena/Model/Map/TileFactory.java

...a/de/hdm_stuttgart/battlearena/Model/Map/TileManager.java

src/main/resources/textures/map/bigbomba.png

src/main/resources/textures/map/bigexplosion.png

src/main/resources/textures/map/bomb.png

src/main/resources/textures/map/bomba.png

src/main/resources/textures/map/middlexplosion.png

src/main/resources/textures/map/smallexplosion.png