Update version to 0.2.0.

Author: CodingFlow

AsyncTaskOrchestratorGenerator/AsyncTaskOrchestratorGenerator.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
         <TargetFramework>netstandard2.0</TargetFramework>
@@ -10,12 +10,15 @@
         <RepositoryUrl>https://github.com/CodingFlow/async-task-orchestrator-generator</RepositoryUrl>
         <PackageTags>source;generator;roslyn;orchestrator;</PackageTags>
         <PackageLicenseExpression>Apache-2.0</PackageLicenseExpression>
-        <VersionPrefix>0.1.0</VersionPrefix>
+        <VersionPrefix>0.2.0</VersionPrefix>
         <Description>C# source generator for executing dependent async tasks optimally and easily.</Description>
         <Authors>Coding Flow</Authors>
         <RepositoryType>git</RepositoryType>
         <PackageIcon></PackageIcon>
-        <PackageReleaseNotes>0.1.0
+        <PackageReleaseNotes>0.2.0
+- Downgrade from .NET Standard 2.1 to .NET Standard 2.0.
+- Generate inteface that generated orchestrator class implements to better support dependency injection.
+0.1.0
 - Initial Release</PackageReleaseNotes>
     </PropertyGroup>