fix: Add missing cli folder in electron-app

ui/desktop/electron-app/.gitignore

@@ -93,7 +93,7 @@ ember-dist/
 ember-test/
 
 # CLI
-cli/
+/cli/
 
 # Autoupdate
 nextVersion/

ui/desktop/electron-app/src/cli/index.js

@@ -0,0 +1,23 @@
+const path = require('path');
+const { spawnSync } = require('../helpers/spawn-promise.js');
+
+const cliPath = async () => path.resolve(__dirname, '..', 'cli', 'boundary');
+
+module.exports = {
+  // Check boundary cli existence
+  exists: () => Boolean(cliPath()),
+
+  // Returns JSON-formatted version information from the CLI
+  version: () => {
+    const command = ['-v'];
+    const rawOutput = spawnSync(command);
+    let gitRevision = /Git Revision:\s*(?<rev>.*)\n/.exec(rawOutput);
+    let versionNumber = /Version Number:\s*(?<ver>.*)\n/.exec(rawOutput);
+    if (gitRevision) gitRevision = gitRevision.groups.rev;
+    if (versionNumber) versionNumber = versionNumber.groups.ver;
+    const formatted = versionNumber
+      ? `CLI Version:  ${versionNumber}\nCLI Commit:  ${gitRevision}`
+      : `CLI Commit:  ${gitRevision}`;
+    return { gitRevision, versionNumber, formatted };
+  },
+};