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

gui/menu/assets/texture/abre1glow.png.import

@@ -1,34 +0,0 @@
-[remap]
-
-importer="texture"
-type="CompressedTexture2D"
-uid="uid://03ijmo6xlytu"
-path="res://.godot/imported/abre1glow.png-5f3f846ff6582fe5f49aa264265fe9c7.ctex"
-metadata={
-"vram_texture": false
-}
-
-[deps]
-
-source_file="res://gui/menu/assets/texture/abre1glow.png"
-dest_files=["res://.godot/imported/abre1glow.png-5f3f846ff6582fe5f49aa264265fe9c7.ctex"]
-
-[params]
-
-compress/mode=0
-compress/high_quality=false
-compress/lossy_quality=0.7
-compress/hdr_compression=1
-compress/normal_map=0
-compress/channel_pack=0
-mipmaps/generate=false
-mipmaps/limit=-1
-roughness/mode=0
-roughness/src_normal=""
-process/fix_alpha_border=true
-process/premult_alpha=false
-process/normal_map_invert_y=false
-process/hdr_as_srgb=false
-process/hdr_clamp_exposure=false
-process/size_limit=0
-detect_3d/compress_to=1

gui/menu/scripts/menu.gd

@@ -1,6 +0,0 @@
-extends Node
-
-@export_file var start_scene_path : String
-
-func _ready():
-    SceneManager.change_scene(start_scene_path)

gui/menu/scripts/menu.gd.uid

@@ -1 +0,0 @@
-uid://dls7t1m62lp5v