README added.

README.md

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+## Transparent Proxy
+
+Make the original proxy more user-friendly.
+
+### Setup & Run
+
+Currently, this project is in early stage, with a working prototype.
+It works, but just works. After launch, it will listen on port 9091
+waiting for transparent proxy connection.
+
+To setup the box properly, please add an iptables rule:
+
+    iptables -t nat -A PREROUTING -m tcp -p tcp -j REDIRECT --to-ports 9091
+
+Now the only thing you need to do is redirect all traffic to this box,
+and all TCP traffic will automatically handled by transparent proxy.
+
+### Extra config for production environment
+
+* Enlarge file handle limit to a relative large number, like 65536 or
+something.
+
+* More?
+
+### MINEFIELD!!
+
+Under `server/` directory there are two files: `hack.go` and
+`hack_linux.go`. These files are minefield in the project, and DO NOT
+touch or modify these files unless you KNOW EXACTLY WHAT YOU ARE DOING.