feature: add NuGet config and enabled NuGet auditing

Directory.Packages.props

@@ -1,6 +1,8 @@
 <Project>
   <PropertyGroup>
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
+    <NuGetAudit>true</NuGetAudit>
+    <NuGetAuditLevel>low</NuGetAuditLevel>
   </PropertyGroup>
   <ItemGroup>
     <PackageVersion Include="AspNetCore.HealthChecks.SqlServer" Version="7.0.0" />

Dockerfile

@@ -4,9 +4,7 @@ EXPOSE 8080
 
 FROM mcr.microsoft.com/dotnet/sdk:8.0-preview AS build
 WORKDIR /app
-COPY [".editorconfig", "./"]
-COPY ["Directory.Build.props", "./"]
-COPY ["Directory.Packages.props", "./"]
+COPY [".editorconfig", "Directory.Build.props", "Directory.Packages.props", "nuget.config", "./"]
 COPY ["src/Directory.Build.props", "src/"]
 COPY ["src/NoPlan.Api/NoPlan.Api.csproj", "src/NoPlan.Api/"]
 COPY ["src/NoPlan.Contracts/NoPlan.Contracts.csproj", "src/NoPlan.Contracts/"]

NoPlan.sln

@@ -29,6 +29,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 		.dockerignore = .dockerignore
 		.github\renovate.json = .github\renovate.json
 		.github\CODEOWNERS = .github\CODEOWNERS
+		nuget.config = nuget.config
 	EndProjectSection
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "NoPlan.Infrastructure", "src\NoPlan.Infrastructure\NoPlan.Infrastructure.csproj", "{7148D0A0-C3D5-4807-99D3-E4AB88875F03}"

nuget.config

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<configuration>
+  <packageSources>
+    <clear/>
+    <add key="nuget.org" value="https://api.nuget.org/v3/index.json" protocolVersion="3"/>
+  </packageSources>
+  <disabledPackageSources>
+    <clear/>
+  </disabledPackageSources>
+  <packageSourceMapping>
+    <packageSource key="nuget.org">
+      <package pattern="*"/>
+    </packageSource>
+  </packageSourceMapping>
+</configuration>