task: iOS demo app discovers remote editors

[dcalhoun]

What?

Add UI for adding remote editors.

Why?

Simplify testing remote editors. Match Android Demo app functionality added in #155.

How?

Utilize wordpress-rs for discovery and authentication.

Testing Instructions

Important

Due to a recent regression in 3b8a4ba, testing a remote editor requires using the development server and disabling problematic code until it is fixed:

Temporary fix

diff --git a/src/utils/bridge.js b/src/utils/bridge.js
index ce9f36a..f04a6ea 100644
--- a/src/utils/bridge.js
+++ b/src/utils/bridge.js
@@ -5,7 +5,7 @@ import parseException from './exception-parser';
 import { debug } from './logger';
 import { isDevMode } from './dev-mode';
 import { basicFetch } from './fetch';
-import { getBlockTypes } from '@wordpress/blocks';
+// import { getBlockTypes } from '@wordpress/blocks';

 /**
  * Generic function to dispatch messages to both Android and iOS bridges.
@@ -93,16 +93,16 @@ export function onBlocksChanged( isEmpty = false ) {
  * @return {void}
  */
 export function showBlockInserter() {
-	const blocks = getBlockTypes().map( ( blockType ) => {
-		return {
-			name: blockType.name,
-			title: blockType.title,
-			description: blockType.description,
-			category: blockType.category,
-			keywords: blockType.keywords || [],
-		};
-	} );
-	dispatchToBridge( 'showBlockInserter', { blocks } );
+	// const blocks = getBlockTypes().map( ( blockType ) => {
+	// 	return {
+	// 		name: blockType.name,
+	// 		title: blockType.title,
+	// 		description: blockType.description,
+	// 		category: blockType.category,
+	// 		keywords: blockType.keywords || [],
+	// 	};
+	// } );
+	// dispatchToBridge( 'showBlockInserter', { blocks } );
 }

 /**

1. Set up a site that has the Gutenberg plugin activated.
2. Tap the plus button in the top-right corner.
3. Add a site URL.
4. Authenticate with the site.
5. Open the site's editor.
6. Verify assets fetched from the remote site are used.

Accessibility Testing Instructions

N/A, no visual changes.

Screenshots or screencast

Editor	Add Editor

[kean]

Nice!