[Keyboard] add 'soda/cherish' (#18057)

Co-authored-by: Drashna Jaelre <drashna@live.com>

keyboards/soda/cherish/readme.md

@@ -0,0 +1,30 @@
+# CHERISH-75
+
+A customizable 75%  keyboard, support both HOTSWAP and SOLDER.
+
+* Keyboard Maintainer: [gezhaoyou](https://github.com/gezhaoyou)
+* Hardware Supported: [gezhaoyou](https://github.com/gezhaoyou)
+* Hardware Availability: [Cherish-75](https://github.com/gezhaoyou/Cherish-75)
+
+Make example for this keyboard (after setting up your build environment):
+
+**default**:
+
+```shell
+qmk compile -kb soda/cherish -km default
+```
+
+**via:**
+
+```shell
+qmk compile -kb soda/cherish -km via
+```
+
+## Bootloader
+
+Enter the bootloader in 2 ways:
+
+* **Physical reset button**: Briefly press the button: [boot] first, then press button: [reset]  on the back of the PCB
+* **Keycode in layout**: Press the key mapped to `RESET` if it is available
+
+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).