Add persistent accessibility pane

This will facilitate more extensive usage of the menu than the
context menu.

package.json

@@ -186,7 +186,26 @@
 					"markdownDescription": "Specifies the serial port path to use if `#mindreader.connectAutomatically#` is not set."
 				}
 			}
-		}
+		},
+    "views": {
+      "accessActions": [
+        {
+          "id": "accessActions",
+          "name": "Access Actions",
+          "icon": "media/dep.svg",
+          "contextualTitle": "Accessibility Menu Actions"
+        }
+      ]
+    },
+    "viewsContainers": {
+      "activitybar": [
+        {
+          "id": "accessActions",
+          "title": "Access Actions",
+          "icon": "media/dep.svg"
+        }
+      ]
+    }
 	},
 	"scripts": {
 		"vscode:prepublish": "npm run compile",

src/extension.ts

@@ -3,6 +3,8 @@ import * as vscode from 'vscode';
 import * as pl from './pylex';
 import commands from './commands';
 
+import { AccessNodeProvider } from './accessNodeProvider'
+
 let parser: pl.Parser = new pl.Parser();
 
 export function activate(context: vscode.ExtensionContext) {
@@ -19,6 +21,10 @@ export function activate(context: vscode.ExtensionContext) {
     );
     context.subscriptions.push(disposable);
   });
+
+  let provider = new AccessNodeProvider();
+  vscode.window.registerTreeDataProvider('accessActions', provider);
+
 }
 
 export function deactivate() {}