✨ Add simple skybox and base environment

environments/default.tres

@@ -0,0 +1,41 @@
+[gd_resource type="Environment" load_steps=4 format=3 uid="uid://d2ahijqqspw5f"]
+
+[ext_resource type="Texture2D" uid="uid://dpv4ed5yhckxo" path="res://environments/skyboxes/kloppenheim_06_puresky_2k.hdr" id="1_uoygt"]
+
+[sub_resource type="PanoramaSkyMaterial" id="PanoramaSkyMaterial_7tawh"]
+panorama = ExtResource("1_uoygt")
+
+[sub_resource type="Sky" id="Sky_iloxd"]
+sky_material = SubResource("PanoramaSkyMaterial_7tawh")
+process_mode = 1
+radiance_size = 4
+
+[resource]
+background_mode = 2
+background_energy_multiplier = 0.2
+sky = SubResource("Sky_iloxd")
+ambient_light_source = 3
+tonemap_mode = 3
+tonemap_exposure = 0.6
+tonemap_white = 0.6
+ssr_enabled = true
+ssao_intensity = 5.0
+ssil_enabled = true
+ssil_intensity = 5.0
+ssil_sharpness = 0.7
+sdfgi_cascades = 6
+sdfgi_max_distance = 819.2
+sdfgi_y_scale = 0
+glow_normalized = true
+glow_intensity = 2.0
+glow_strength = 0.96
+fog_enabled = true
+fog_light_color = Color(1, 1, 1, 1)
+fog_light_energy = 0.15
+fog_density = 0.0025
+fog_sky_affect = 0.3
+volumetric_fog_density = 0.003
+volumetric_fog_albedo = Color(1, 0.380392, 0.380392, 1)
+volumetric_fog_emission_energy = 192.23
+volumetric_fog_length = 551.32
+volumetric_fog_ambient_inject = 0.37