amélioration de l'UI de l'inventaire et ajout de la récompense d'amélioration de taille d'inventaire #52

common/icons/backpack.svg

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+<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-backpack"><path stroke="none" d="M0 0h24v24H0z" fill="none"/><path d="M5 18v-6a6 6 0 0 1 6 -6h2a6 6 0 0 1 6 6v6a3 3 0 0 1 -3 3h-8a3 3 0 0 1 -3 -3z" /><path d="M10 6v-1a2 2 0 1 1 4 0v1" /><path d="M9 21v-4a2 2 0 0 1 2 -2h2a2 2 0 0 1 2 2v4" /><path d="M11 10h2" /></svg>

common/icons/backpack.svg.import

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+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://c3f2f1w12afnu"
+path="res://.godot/imported/backpack.svg-87b1145524d28fbb61259964722c7305.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://common/icons/backpack.svg"
+dest_files=["res://.godot/imported/backpack.svg-87b1145524d28fbb61259964722c7305.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+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/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+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
+svg/scale=1.0
+editor/scale_with_editor_scale=false
+editor/convert_colors_with_editor_theme=false