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.

.eslintrc.cjs

@@ -21,7 +21,7 @@ module.exports = {
     '@vue/typescript/recommended',
   ],
   parserOptions: {
-    ecmaVersion: 12, // ECMA 2021
+    ecmaVersion: 2022, // So it allows top-level awaits
     /*
       Having 'latest' leads to:
       ```