Merge pull request #13529 from Mugen87/dev7

Docs: Update RectAreaLight

docs/api/lights/RectAreaLight.html

@@ -15,7 +15,13 @@
 		<div class="desc">
 			RectAreaLight emits light uniformly across the face a rectangular plane. This light type can be
 			used to simulate light sources such as bright windows or strip lighting.<br /><br />
-			RectAreaLight does not support shadows.<br /><br />
+
+			Important Notes:
+			<ul>
+				<li>There is no shadow support.</li>
+				<li>Only [page:MeshStandardMaterial MeshStandardMaterial] and [page:MeshPhysicalMaterial MeshPhysicalMaterial] are supported.</li>
+				<li>You have to include [link:https://threejs.org/examples/js/lights/RectAreaLightUniformsLib.js RectAreaLightUniformsLib] into your scene.</li>
+			</ul>
 		</div>