chore: add changes

Author: okwasniewski

.changeset/brown-clocks-worry.md

@@ -0,0 +1,7 @@
+---
+"react-native-bottom-tabs": patch
+"react-native-bottom-tabs-example": patch
+"react-native-bottom-tabs-docs": patch
+---
+
+feat(iOS): [experimental] implement bottom accessory view