[Keyboard] Add Bolsalice keyboard (#18772)

keyboards/bolsa/bolsalice/readme.md

@@ -0,0 +1,22 @@
+# Bolsalice
+
+An Alice layout keyboard by Bolsa Supply
+
+-   Keyboard Maintainer: [matthewdias](https://github.com/matthewdias)
+-   Hardware Supported: Bolsalice PCB
+
+Make example for this keyboard (after setting up your build environment):
+
+    make bolsa/bolsalice:default
+
+Flashing example for this keyboard:
+
+    make bolsa/bolsalice:default:flash
+
+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
+
+Enter the bootloader:
+
+-   **Physical reset button**: Briefly press the button on the back of the PCB (or short the reset/ground pads, should a tactile button not be installed)