changement du scene manager, amélioration du cockpit et autres

* refonte du scene manager
* refonte du audio manager
* premier rework des plantes
* nettoyage des dossiers/fichiers
* renommage de planète en region
* fix des run

common/icons/focus.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="#ffffff" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="icon icon-tabler icons-tabler-outline icon-tabler-focus"><path stroke="none" d="M0 0h24v24H0z" fill="none"/><path d="M11.5 12a.5 .5 0 1 0 1 0a.5 .5 0 1 0 -1 0" fill="#ffffff" /><path d="M3 12a9 9 0 1 0 18 0a9 9 0 1 0 -18 0" /></svg>