build: add rules for changelog

Author: Scrum

.editorconfig

@@ -11,5 +11,8 @@ insert_final_newline = true
 [{package.json,*.yml,*.jade,*.pss,*.css,*.js}]
 indent_size = 2
 
+[changelog.md]
+insert_final_newline = false
+
 [*.md]
 trim_trailing_whitespace = false