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/utils/text.js

@@ -0,0 +1,19 @@
+export function indentText(text, indentLevel = 1) {
+  validateText(text);
+  const indentation = '\t'.repeat(indentLevel);
+  return splitTextIntoLines(text)
+    .map((line) => (line ? `${indentation}${line}` : line))
+    .join('\n');
+}
+
+export function splitTextIntoLines(text) {
+  validateText(text);
+  return text
+    .split(/[\r\n]+/);
+}
+
+function validateText(text) {
+  if (typeof text !== 'string') {
+    throw new Error(`text is not a string. It is: ${typeof text}\n${text}`);
+  }
+}