Fix Dockerfile build by including Directory.Packages.props (#50)

* Initial plan

* Fix Dockerfile build by adding Directory.Packages.props copy

Co-authored-by: PhantomDave <34485699+PhantomDave@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: PhantomDave <34485699+PhantomDave@users.noreply.github.com>

Author: Copilot

Dockerfile

@@ -2,6 +2,7 @@
 
 WORKDIR /src
 
+COPY ["Directory.Packages.props", "./"]
 COPY ["PhantomDave.BankTracking.Api/PhantomDave.BankTracking.Api.csproj", "PhantomDave.BankTracking.Api/"]
 COPY ["PhantomDave.BankTracking.Library/PhantomDave.BankTracking.Library.csproj", "PhantomDave.BankTracking.Library/"]
 COPY ["PhantomDave.BankTracking.Data/PhantomDave.BankTracking.Data.csproj", "PhantomDave.BankTracking.Data/"]