Add CHANGELOG section for 4.0

Author: Xerkus

CHANGELOG.md

@@ -2,6 +2,28 @@
 
 All notable changes to this project will be documented in this file, in reverse chronological order by release.
 
+## 4.0.0 - TBD
+
+### Added
+
+- Nothing.
+
+### Changed
+
+- Nothing.
+
+### Deprecated
+
+- Nothing.
+
+### Removed
+
+- Nothing.
+
+### Fixed
+
+- Nothing.
+
 ## 3.2.0 - TBD
 
 ### Added

composer.json

@@ -68,7 +68,8 @@
     "extra": {
         "branch-alias": {
             "dev-master": "3.1-dev",
-            "dev-develop": "3.2-dev"
+            "dev-develop": "3.2-dev",
+            "dev-next": "4.0-dev"
         }
     },
     "scripts": {