Add DeployToSteamOS and Procedural Dungeon Generation addons

addons/SimpleDungeons/debug_visuals/WireframeCubeDepthEnabled.gdshader

@@ -0,0 +1,14 @@
+shader_type spatial;
+render_mode unshaded, cull_disabled;
+uniform vec2 grid_size;
+uniform vec3 color = vec3(0.);
+
+void fragment() {
+	vec2 uv = fract(UV * grid_size);
+	vec2 eps = 0.0015 * grid_size;
+	vec2 inv_eps = 1.0 - eps;
+	if(uv.x > eps.x && uv.x < inv_eps.x && uv.y > eps.y && uv.y < inv_eps.y) {
+		discard;
+	}
+	ALBEDO = color;
+}