Revise README for n8n 1.123.5 Python portability

Updated README to provide detailed information about n8n 1.123.5 and its portable Python setup.

Author: rookiemann

README.md

@@ -0,0 +1,55 @@
+# n8n 1.123.5 + Python 3.14 – Fully Portable Windows
+
+No Docker • No pip • No conda • No admin rights • Works offline
+
+Extract → double-click `start-n8n.bat` → open http://localhost:5678  
+Native **Python Code** node works instantly.
+
+### Download
+[Latest ZIP](https://github.com/rookiemann/n8n-python-portable/releases/latest/download/n8n-python-portable.zip) (~383 MB)
+
+### Folder Structure
+
+```
+n8n-python-portable/                          # Extract this folder anywhere
+│
+├── start-n8n.bat                             # Double-click this to launch n8n
+├── package.json                              # n8n config
+├── package-lock.json                         # Locked deps
+│
+├── node/                                     # Bundled Node.js (no install needed)
+│   ├── node.exe                              # Runs n8n
+│   ├── npm.cmd                               # Optional package manager
+│   └── ...                                   # Other Node files
+│
+├── python/                                   # Fully embedded Python 3.14
+│   ├── python.exe                            # The Python interpreter
+│   ├── python314.dll                         # Core DLL
+│   ├── python314._pth                        # Path config for portability
+│   ├── DLLs/                                 # Dynamic libraries
+│   │   ├── sqlite3.dll
+│   │   ├── _ssl.pyd
+│   │   └── ...
+│   ├── Lib/                                  # Standard library (full Python stdlib)
+│   │   ├── site-packages/                    # For any extra modules
+│   │   ├── asyncio/
+│   │   ├── collections/
+│   │   └── ...
+│   └── Scripts/                              # Tools like pip (optional)
+│       └── pip.exe
+│
+├── node_modules/                             # 100% complete n8n dependencies
+│   ├── n8n/                                  # n8n core
+│   │   └── bin/n8n                           # CLI entrypoint
+│   ├── @n8n/                                 # n8n extensions
+│   ├── @langchain/                           # AI/LLM support
+│   ├── axios/                                # HTTP client
+│   ├── express/                              # Web server
+│   ├── ...                                   # ~4000+ packages
+│
+└── .n8n/                                     # Created on first run (your data)
+    ├── config                                # Settings
+    ├── database.sqlite                       # Workflow storage
+    └── workflows/                            # Saved automations
+```
+