Add null-safety support and changelogs

CHANGELOG.md

@@ -2,3 +2,11 @@
 
 - Initial version, created by Stagehand
 - Add configurable interface, created by @SomboChea
+- Add system configuration
+- Add dotenv and platform environment
+
+## 1.0.1
+- Fixed dart test in dev deps
+
+## 1.0.2
+- Add support null-safety

pubspec.yaml

@@ -1,6 +1,6 @@
 name: configurable
 description: System Configuration and Dotenv Environment for Dart and Flutter
-version: 1.0.1
+version: 1.0.2
 homepage: https://github.com/CUBETIQ/system-config-dart
 repository: https://github.com/CUBETIQ/system-config-dart.git
 
@@ -11,5 +11,5 @@ dependencies:
   meta: ^1.3.0
 
 dev_dependencies:
-  pedantic: ^1.9.0
+  pedantic: ^1.11.0
   test: ^1.16.8