add note about merged components (#54)

TheLastGimbus · web-flow · commit 4f6af892c507 · 2024-01-13T23:48:02.000-08:00
diff --git a/README.md b/README.md
@@ -12,3 +12,5 @@ external_components:
     components: [ component1, component2 ]
 ```
 
+## NOTE: Some components were merged to esphome :tada:
+- [keypad](https://github.com/ssieb/custom_components/tree/master/components/keypad) -> [matrix_keypad](https://esphome.io/components/matrix_keypad.html?highlight=keypad)
