Update NuGet package metadata

Closes #3

Cake.PathTildeHelper/Cake.PathTildeHelper.csproj

@@ -2,13 +2,16 @@
 
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
-    <Authors>Adam Patridge</Authors>
+    <Authors>patridge;augustoproiete</Authors>
     <Description>Cake add-in to provide aliases to help translate leading tilde (~) characters to absolute paths usable in locations requiring a full path.</Description>
-    <Copyright>© 2018 Adam Patridge</Copyright>
-    <PackageLicenseUrl>https://github.com/patridge/Cake.PathTildeHelper/blob/master/LICENSE</PackageLicenseUrl>
-    <PackageProjectUrl>https://github.com/patridge/Cake.PathTildeHelper</PackageProjectUrl>
+    <Copyright>Copyright 2018-2021 Cake Contributors - Provided under the MIT License</Copyright>
+    <PackageLicenseExpression>MIT</PackageLicenseExpression>
+    <PackageProjectUrl>https://github.com/cake-contrib/Cake.PathTildeHelper</PackageProjectUrl>
     <PackageIconUrl>https://cdn.jsdelivr.net/gh/cake-contrib/graphics/png/addin/cake-contrib-addin-medium.png</PackageIconUrl>
-    <PackageTags>Cake Script Build</PackageTags>
+    <PackageTags>cake;path;tilde;cake-addin;cake-build;addin;script;build</PackageTags>
+    <PackageReleaseNotes>https://github.com/cake-contrib/Cake.PathTildeHelper/releases</PackageReleaseNotes>
+    <RepositoryType>git</RepositoryType>
+    <RepositoryUrl>https://github.com/cake-contrib/Cake.PathTildeHelper.git</RepositoryUrl>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
   </PropertyGroup>