Add automated checks for desktop app runtime #233

- Add automation script for building, packaging, installing, executing
  and verifying Electron distrubtions across macOS, Ubuntu and Windows.
- Add GitHub workflow to run the script to test distributions using the
  script.
- Update README with new workflow status badge.
- Add application initialization log to desktop applications to be able
  to test against crashes before application initialization.

scripts/check-desktop-runtime-errors/config.js

@@ -0,0 +1,7 @@
+import { join } from 'path';
+
+export const DESKTOP_BUILD_COMMAND = 'npm run electron:build -- -p never';
+export const PROJECT_DIR = process.cwd();
+export const DESKTOP_DIST_PATH = join(PROJECT_DIR, 'dist_electron');
+export const APP_EXECUTION_DURATION_IN_SECONDS = 60; // Long enough so CI runners have time to bootstrap it
+export const SCREENSHOT_PATH = join(PROJECT_DIR, 'screenshot.png');