Include jetbrains project files

Update dockerfile to use the root nuget.config

Author: Cisien

.idea/.idea.CSharpRepl/.idea/.gitignore

@@ -2,7 +2,7 @@ FROM mcr.microsoft.com/dotnet/sdk:6.0 as dotnet-build
 WORKDIR /src
 COPY . .
 RUN dotnet --info
-RUN dotnet restore CSharpRepl.sln --configfile .nuget/nuget.config
+RUN dotnet restore CSharpRepl.sln
 RUN dotnet build --configuration Release --no-restore
 # i guess we sitll need to skip tests in CI (github actions or azure devops), anyone have any ideas?
 #RUN dotnet test --configuration Release CSharpRepl.Tests/CSharpRepl.Tests.csproj --no-build --no-restore

.idea/.idea.CSharpRepl/.idea/indexLayout.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <packageSources>
+    <add key="nuget.org" value="https://api.nuget.org/v3/index.json" />
+      <add key="dotnet-tools" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json" />
+  </packageSources>
+</configuration>