Organise examples into folders, rewrite readme with natural flow and tailscale section

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

examples/workflows/messaging/telegram-send-message.json

@@ -0,0 +1,10 @@
+{
+  "name": "Telegram Send Message",
+  "steps": [
+    {
+      "app": "org.telegram.messenger",
+      "goal": "Search for 'Saved Messages' in the search bar and open it. Type 'Reminder: Review PR #42 before EOD' and send it using submit_message. This is my personal notes chat.",
+      "maxSteps": 12
+    }
+  ]
+}