Fixed banner display in NuGet README (#3)

* Add files via upload
* Update banner url
* Exclude templates-github-banner.jpg from package
* Moved readme & icon to package root, fixed path to them

---------

Co-authored-by: Kirill Kovalev <kirill.kovalev@abblix.com>

Abblix.Templates.csproj

@@ -11,7 +11,7 @@
     <PackageProjectUrl>https://github.com/Abblix/Templates</PackageProjectUrl>
     <RepositoryUrl>https://github.com/Abblix/Templates</RepositoryUrl>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
-	<PackageIcon>content\Abblix.png</PackageIcon>
+	<PackageIcon>Abblix.png</PackageIcon>
 
     <!-- Keep package type as 'Template' to show the package as a template package on nuget.org and make your template available in dotnet new search.-->
     <PackageType>Template</PackageType>
@@ -21,7 +21,7 @@
     <ContentTargetFolders>content</ContentTargetFolders>
     <NoWarn>$(NoWarn);NU5128</NoWarn>
     <NoDefaultExcludes>true</NoDefaultExcludes>
-    <PackageReadmeFile>content\Nuget\README.md</PackageReadmeFile>
+    <PackageReadmeFile>README.md</PackageReadmeFile>
   </PropertyGroup>
 
   <PropertyGroup>
@@ -33,8 +33,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <Content Include="Abblix.png" />
-    <Content Include="**\*" Exclude=".*\**;*;**\bin\**;**\obj\**;**\node_modules\**;**\.idea\**" />
+    <Content Include="Abblix.png" Link="README.md" Pack="true" PackagePath="" />
+    <Content Include=".\Nuget\README.md" Link="README.md" Pack="true" PackagePath="" />
+    <Content Include="**\*" Exclude=".*\**;*;**\bin\**;**\obj\**;**\node_modules\**;**\.idea\**;Nuget\**" />
     <Compile Remove="**\*" />
   </ItemGroup>
 

Nuget/README.md

@@ -1,5 +1,4 @@
-[![Abblix Templates](https://resources.abblix.com/imgs/jpg/templates-github-banner.jpg)](https://github.com/Abblix/Templates)
-
+[![Abblix Templates](https://raw.githubusercontent.com/Abblix/Templates/master/Nuget/templates-github-banner.jpg)](https://github.com/Abblix/Templates)
 [![.NET](https://img.shields.io/badge/.NET-6.0%2C%207.0%2C%208.0-512BD4)](#)
 [![language](https://img.shields.io/badge/language-C%23-239120)](https://learn.microsoft.com/ru-ru/dotnet/csharp/tour-of-csharp/overview)
 [![OS](https://img.shields.io/badge/OS-linux%2C%20windows%2C%20macOS-0078D4)](#)