Add hannoprint code

hannoprint/Marlin-2.1.2.1/config/examples/Weedo/Tina2/README.md

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+## Product version
+
+- TINA2 WIFI: TINA2 standard version with ESP32 WIFI module installed. Support remote control, send files via wifi, and online 3d model library.
+- TINA2 BASIC: TINA2 lite version, without WIFI module and protective shell.
+
+Please note the monorpice cadet printer is a rebranded version of these printers and the provided configuration should work.
+
+## Hardware version
+
+- V2: The motherboard version is 62AS. The endstop type is lever limit switch.
+- V3: The motherboard version is 62AS. The endstop type is mushroom head limit switch.
+
+## Adding wifi support using ESP3D
+
+You can add wifi support using [ESP3D](https://github.com/luc-github/ESP3D).
+Basically connect your own NodeMCU to second serial port of the MCU.
+See ESP3D wiki for connection diagram.
+
+In Marlin configuration.h set:
+`#define SERIAL_PORT_2 3`
+
+## Manufacturer wifi support
+
+Examples provided here have not been tested with wifi board from manufacturer.
+Setting `#define SERIAL_PORT_2 3` in Marlin configuration.h might be enough to work with manufacturer wifi board.
+
+Feedback are welcome.