Add release notes and bump version for v2.2.0

Author: martinnormark

PreMailer.Net/PreMailer.Net/PreMailer.Net.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFrameworks>netstandard2.0;net461</TargetFrameworks>
-    <Version>2.1.3</Version>
+    <Version>2.2.0</Version>
     <Authors>Martin H. Normark</Authors>
     <Description>
         PreMailer.Net is a C# utility for moving CSS to inline style attributes, to gain maximum E-mail client compatibility.
@@ -13,7 +13,7 @@
     <PackageIcon>icon.png</PackageIcon>
     <PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
     <PackageReleaseNotes>
-        Target .NETFramework4.6.1 instead of 4.6 https://github.com/milkshakesoftware/PreMailer.Net/pull/187
+        Add optional custom markupformatter parameter https://github.com/milkshakesoftware/PreMailer.Net/pull/198
     </PackageReleaseNotes>
     <PackageTags>email css newsletter html</PackageTags>
     <SignAssembly>true</SignAssembly>
@@ -28,4 +28,4 @@
     <None Include="..\..\icon.png" Pack="true" PackagePath="\"/>
   </ItemGroup>
 
-</Project>
+</Project>