Add hannoprint code

hannoprint/Marlin-2.1.2.1/config/examples/Two Trees/BlueR/README.md

@@ -0,0 +1,15 @@
+## Two Trees BlueR Configurations
+
+This folder contains default configurations for the Two Trees BlueR.
+
+Three different configurations are provided, suitable for the different BlueR release versions:
+
+- `BlueR V1` : First version of BlueR with a metal extruder.
+- `BlueR V2` : (Formerly "BlueR" out of the box.) BMG extruder with Blue parts and integrated endstop for X and Z.
+- `BlueR V3` : (Formerly "BlueR V2" out of the box.) BMG extruder and more Black parts as your predecessor.
+
+Extra options are provided for BlueR stepper driver variants:
+
+- Enable `BLUER_TMC2209` if your board has TMC2209 drivers.
+- Enable `BLUER_INVERTED_E` for the BlueR V2 if the E motor goes in reverse.
+- Enable `BLUER_BLTOUCH` if you want to enable BLTOUCH. (BLTOUCH Will Replace Z_Min_Plug)