Add new icon for speech bubble

packages/icons/src/index.js

@@ -235,6 +235,7 @@ export { default as shortcode } from './library/shortcode';
 export { default as shuffle } from './library/shuffle';
 export { default as siteLogo } from './library/site-logo';
 export { default as stack } from './library/stack';
+export { default as speechBubble } from './library/speech-bubble';
 export { default as starEmpty } from './library/star-empty';
 export { default as starFilled } from './library/star-filled';
 export { default as starHalf } from './library/star-half';

packages/icons/src/library/speech-bubble.js

@@ -0,0 +1,12 @@
+/**
+ * WordPress dependencies
+ */
+import { SVG, Path } from '@wordpress/primitives';
+
+const speechBubble = (
+	<SVG xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
+		<Path d="M18 4H6c-1.1 0-2 .9-2 2v12.9c0 .6.5 1.1 1.1 1.1.3 0 .5-.1.8-.3L8.5 17H18c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm.5 11c0 .3-.2.5-.5.5H7.9l-2.4 2.4V6c0-.3.2-.5.5-.5h12c.3 0 .5.2.5.5v9z" />
+	</SVG>
+);
+
+export default speechBubble;