Add readme md

https://devblogs.microsoft.com/nuget/add-a-readme-to-your-nuget-package/

Author: tinohager

src/Nager.Country/Nager.Country.csproj

@@ -8,28 +8,21 @@
     <PackageProjectUrl>https://github.com/nager/Nager.Country</PackageProjectUrl>
     <RepositoryUrl>https://github.com/nager/Nager.Country</RepositoryUrl>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
-    <PackageReleaseNotes>Split the translations in an own package</PackageReleaseNotes>
+    <PackageReleaseNotes>Add Readme.md to nuget file</PackageReleaseNotes>
     <PackageTags>Country CountryInfo ISO3166 ISO-3166-1_Alpha2 ISO-3166-1_Alpha3 ISO639 ISO-639-1 globalization localization</PackageTags>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <PackageIcon>icon.png</PackageIcon>
-    <Version>3.0.1</Version>
+    <Version>3.0.2</Version>
   </PropertyGroup>
 
   <ItemGroup>
     <None Include="..\..\LICENSE.md" Pack="true" PackagePath="LICENSE.md" />
   </ItemGroup>
 
   <ItemGroup>
-    <Content Include="readme.txt">
-      <Pack>true</Pack>
-      <PackagePath>\</PackagePath>
-    </Content>
-
-    <None Include="..\..\doc\icon.png">
-      <Pack>true</Pack>
-      <Visible>false</Visible>
-      <PackagePath></PackagePath>
-    </None>
+    <Content Include="readme.txt" Pack="true" PackagePath="\" />
+    <None Include="readme.md" Pack="true" PackagePath="\" />
+    <None Include="..\..\doc\icon.png" Pack="true" PackagePath="" Visible="false" />
   </ItemGroup>
 </Project>

src/Nager.Country/readme.md

@@ -0,0 +1,29 @@
+# Nager.Country
+
+The Worldwirde Country Informations are available over the nuget package. The collection contains the Informations for 250 Countries.
+
+> If you need the translations of the countries you will find in the further nuget package [Nager.Country.Translation](https://www.nuget.org/packages/Nager.Country.Translation)
+
+## Code Examples
+
+### Get CountryInfo - Germany via Alpha2Code
+
+    ICountryProvider countryProvider = new CountryProvider();
+    var countryInfo = countryProvider.GetCountry(Alpha2Code.DE);
+    //countryInfo.CommonName -> Germany
+    //countryInfo.Alpha3Code -> DEU
+    //countryInfo.NumericCode -> 276
+    //countryInfo.Region -> Europe
+    //countryInfo.SubRegion -> WesternEurope
+    //countryInfo...
+
+### Get CountryInfo - Germany via CommonName
+
+    ICountryProvider countryProvider = new CountryProvider();
+    var countryInfo = countryProvider.GetCountryByName("Germany");
+    //countryInfo.Alpha2Code -> DE
+    //countryInfo.Alpha3Code -> DEU
+    //countryInfo.NumericCode -> 276
+    //countryInfo.Region -> Europe
+    //countryInfo.SubRegion -> WesternEurope
+    //countryInfo..