Fix NuGet package readme inclusion via correct MSBuild path resolution (#8)

* Fix NuGet package readme by using MSBuildThisFileDirectory for correct path resolution

Agent-Logs-Url: https://github.com/kerryjiang/OpenEtradeMcp/sessions/95aab159-e74a-458a-9848-70acaf898711

Co-authored-by: kerryjiang <456060+kerryjiang@users.noreply.github.com>

* Upgrade version to 1.0.3 in version.json

Agent-Logs-Url: https://github.com/kerryjiang/OpenEtradeMcp/sessions/e792b61a-9d1f-41ed-a5ea-a74734210c72

Co-authored-by: kerryjiang <456060+kerryjiang@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: kerryjiang <456060+kerryjiang@users.noreply.github.com>

Author: Copilot

Directory.Build.props

@@ -12,7 +12,7 @@
     <Authors>Kerry Jiang</Authors>
     <PackageLicenseExpression>Apache-2.0</PackageLicenseExpression>
     <RepositoryUrl>https://github.com/kerryjiang/OpenEtradeMcp.git</RepositoryUrl>
-    <PackageReadmeFilePath>../../releaseNotes/v$(PackageVersion).md</PackageReadmeFilePath>
+    <PackageReadmeFilePath>$(MSBuildThisFileDirectory)releaseNotes/v$(PackageVersion).md</PackageReadmeFilePath>
   </PropertyGroup>
   <PropertyGroup Condition="Exists('$(PackageReadmeFilePath)')">
     <ReadmeFileAvailable>true</ReadmeFileAvailable>
@@ -21,6 +21,6 @@
     <PackageReadmeFile>v$(PackageVersion).md</PackageReadmeFile>
   </PropertyGroup>
   <ItemGroup Condition="'$(IncludeReleaseNotes)' == 'true' and $(ReadmeFileAvailable) == 'true'">
-    <None Include="$(PackageReadmeFile)" Pack="true" PackagePath="/" />
+    <None Include="$(PackageReadmeFilePath)" Pack="true" PackagePath="/" />
   </ItemGroup>
 </Project>

version.json

@@ -1,6 +1,6 @@
 {
     "$schema": "https://raw.githubusercontent.com/dotnet/Nerdbank.GitVersioning/master/src/NerdBank.GitVersioning/version.schema.json",
-    "version": "1.0.2",
+    "version": "1.0.3",
     "publicReleaseRefSpec": [
         "^refs/heads/main$",
         "^refs/heads/v\\d+(?:\\.\\d+)?$"