add fungo keyboard (#17513)

by bojiguard

keyboards/fungo/readme.md

@@ -0,0 +1,28 @@
+# fungo split keyboard (fungo)
+
+
+A split keyboard for my hands.
+
+* Keyboard Maintainer: [bojiguard](https://github.com/bojiguard/)
+* Hardware Supported: Pro Micro, elite-c, nicenano
+* Hardware Availability: [fungo split keyboard](https://github.com/bojiguard/fungo-split-keyboard)
+
+Make example for this keyboard (after setting up your build environment):
+
+    make fungo/rev1:default
+
+See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).  
+
+
+## Bootloader
+
+* **Physical reset button**: Briefly press the button on the front of the PCB
+
+## Characteristics
+
+The circuits on the left and right keyboard are different.  
+Hardware Information: [Document](https://github.com/bojiguard/fungo-split-keyboard)  
+matrix: 5x7+3  
+left : support oled  
+right: support external spi connection  
+all: battery switch, battery jack for nicenano