add offline packages

offline/packages/xunit.v3.runner.common/3.0.0/xunit.v3.runner.common.nuspec

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<package xmlns="http://schemas.microsoft.com/packaging/2013/05/nuspec.xsd">
+  <metadata>
+    <id>xunit.v3.runner.common</id>
+    <version>3.0.0</version>
+    <title>xUnit.net v3 [Common Library for Runners]</title>
+    <authors>jnewkirk,bradwilson</authors>
+    <requireLicenseAcceptance>false</requireLicenseAcceptance>
+    <license type="expression">Apache-2.0</license>
+    <licenseUrl>https://licenses.nuget.org/Apache-2.0</licenseUrl>
+    <icon>_content/logo-128-transparent.png</icon>
+    <readme>_content/README.md</readme>
+    <description>Includes common code shared between in-process runners (like xunit.v3.runner.inproc.console) and xunit.v3.runner.utility (used by 1st and 3rd party external runners). Supports .NET Standard 2.0.</description>
+    <releaseNotes>https://xunit.net/releases/v3/3.0.0</releaseNotes>
+    <copyright>Copyright (C) .NET Foundation</copyright>
+    <repository type="git" url="https://github.com/xunit/xunit" commit="d0213fc4e5d673d4c3abcb807d2eab72cfd80fe9" />
+    <dependencies>
+      <group targetFramework=".NETStandard2.0">
+        <dependency id="xunit.v3.common" version="[3.0.0]" />
+      </group>
+    </dependencies>
+  </metadata>
+</package>