add isEmpty method

Author: Aleksandr Bunin

CHANGELOG.md

@@ -222,6 +222,12 @@ composition of requests in more complex structures (such as Provider). `core/req
 
 ## v4.0.0-alpha.14 (2023-11-22)
 
+#### :rocket: New Feature
+
+* Added `Object.isEmpty`
+
+## v3.??.?? (2023-??-??)
+
 #### :house: Internal
 
 * Fixed TS types of the EventEmitter wrapper `core/async`