Add comprehensive installation and setup documentation

- Add GETTING_STARTED.md with quick start guide and development modes
- Add INSTALL.sh automated installation script
- Add INSTALLATION_CHECKLIST.md, INSTALLATION_SUCCESS.md, and INSTALLATION_SUMMARY.md
- Add QUICK_REFERENCE.md for common commands
- Add SETUP_GUIDE.md with detailed setup instructions
- Update README.md with improved project overview
- Add did-wallet app dependencies and node_modules

apps/did-wallet/node_modules/p-defer/index.js

@@ -0,0 +1,10 @@
+export default function pDefer() {
+	const deferred = {};
+
+	deferred.promise = new Promise((resolve, reject) => {
+		deferred.resolve = resolve;
+		deferred.reject = reject;
+	});
+
+	return deferred;
+}