Add/experiamental layout grid availability

.eslintignore

@@ -1,5 +1,7 @@
 ; ignore the submodules
 gutenberg
+block-experiments
 bundle
 jetpack
 bin
+

.gitmodules

@@ -6,3 +6,7 @@
 	path = jetpack
 	url = ../../Automattic/jetpack.git
 	shallow = true
+[submodule "block-experiments"]
+	path = block-experiments
+	url = ../../Automattic/block-experiments.git
+	shallow = true

src/block-experiments-setup.js

@@ -0,0 +1,8 @@
+// This file is to set up the jetpack/layout-grid block that currently lives in block-experiments/blocks/layout-grid
+import { registerBlock } from '../block-experiments/blocks/layout-grid/src';
+
+export default function setupBlockExperiments( capabilities ) {
+	if ( capabilities.layoutGridBlock ) {
+		registerBlock();
+	}
+}

src/index.js

@@ -12,6 +12,7 @@ import {
  */
 import correctTextFontWeight from './text-font-weight-correct';
 import setupJetpackEditor from './jetpack-editor-setup';
+import setupBlockExperiments from './block-experiments-setup';
 import initialHtml from './initial-html';
 
 addAction( 'native.pre-render', 'gutenberg-mobile', () => {
@@ -23,6 +24,8 @@ addAction( 'native.render', 'gutenberg-mobile', ( props ) => {
 	setupJetpackEditor(
 		props.jetpackState || { blogId: 1, isJetpackActive: true }
 	);
+	const capabilities = props.capabilities ?? {};
+	setupBlockExperiments( capabilities );
 } );
 
 addFilter( 'native.block_editor_props', 'gutenberg-mobile', ( editorProps ) => {