Hex 4b LED Layer Indicater (#15160)

* Hex 4b VIA Keymap to use scroll lock and num lock LED's to indicate active layer (0,1,2,3)

* Added readme.md file

keyboards/mechlovin/hex4b/keymaps/nazzer/reame.md

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+# Nazzer's Hex 4b - Layers on Scroll Lock and Num Lock LED
+
+Repurposed the Scroll Lock and Num Lock LED's as Hex 4b does not have a NUM pad and default layout does not map Scroll Lock
+- Top LED shows CAPS lock status
+- Layer indicators:
+- Layer 0: bottom LED off, middle LED off
+- Layer 1: bottom LED on , middle LED off
+- Layer 2: bottom LED off, middle LED on
+- Layer 3: bottom LED on , middle LED on
+
+## Changelog
+
+### 15/11/2021 - 0.0.1
+
+- Initial release