Fixes #408: adding about and getting started command

plugs/core/core.plug.yaml

@@ -327,6 +327,16 @@ functions:
     command:
       name: "Debug: Parse Document"
 
+  versionCommand:
+    path: ./help.ts:versionCommand
+    command:
+      name: "Help: Version"
+
+  gettingStartedCommand:
+    path: ./help.ts:gettingStartedCommand
+    command:
+      name: "Help: Getting Started"
+
   # Link unfurl infrastructure
   unfurlLink:
     path: ./link.ts:unfurlCommand

plugs/core/help.ts

@@ -0,0 +1,12 @@
+import { editor } from "$sb/silverbullet-syscall/mod.ts";
+import { version } from "../../version.ts";
+
+export async function versionCommand() {
+  await editor.flashNotification(
+    `You are currently running SilverBullet ${version}`,
+  );
+}
+
+export async function gettingStartedCommand() {
+  await editor.openUrl("https://silverbullet.md/Getting%20Started");
+}