Added Collection Extensions, Updated DateTimeExtensions

CHANGELOG.md

@@ -12,21 +12,25 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - [AMWD.Common](https://git.am-wd.de/AM.WD/common/compare/v2.0.1...HEAD)
 - [AMWD.Common.AspNetCore](https://git.am-wd.de/AM.WD/common/compare/asp/v3.0.0...HEAD)
 - [AMWD.Common.EntityFrameworkCore](https://git.am-wd.de/AM.WD/common/compare/efc/v3.0.0...HEAD)
+- [AMWD.Common.MessagePack](https://git.am-wd.de/AM.WD/common/compare/main...HEAD)
 - [AMWD.Common.Test](https://git.am-wd.de/AM.WD/common/compare/test/v2.1.1...HEAD)
 
 ### Added
 
 - `ArReader` and `ArWriter` for Unix archives
 - `TarReader` and `TarWriter` for TAR archives
+- `.AddRange()` for collections
+- `.AddIfNotNull()` for collections
 - `VersionStringComparer` to compare version strings (SemVer)
 
 ### Changed
 
 - Optimized for C# 12
-- `IPNetwork` is used from (as `Microsoft.AspNetCore.HttpOverrides` is taged as "out of support"):
+- `IPNetwork` is used from (as `Microsoft.AspNetCore.HttpOverrides` is tagged as "out of support"):
   - .NET Standard 2.0 and .NET 6.0: `Microsoft.AspNetCore.HttpOverrides.IPNetwork`
   - .NET 8.0: `System.Net.IPNetwork`
-- Moved `MessagePack` extensions formatter extensions to own package `AMWD.Common.MessagePack`
+- Moved `MessagePack` formatter extensions to own package `AMWD.Common.MessagePack`
+- `GetAlignedInterval()` (without Local/Utc) is now public accessible
 
 ### Removed