Split AuthService/Server

some refactoring
fix some stuff
add http context accessor
configure metrics as well
commit 713d054ccb965f7adb8eafa6e3fb52853a1e6dd2 (partial, Docker only)

Docker/build/Dockerfile-MareSynchronosAuthService

@@ -0,0 +1,32 @@
+FROM mcr.microsoft.com/dotnet/sdk:8.0 as BUILD
+
+COPY MareAPI /server/MareAPI
+COPY MareSynchronosServer/MareSynchronosShared /server/MareSynchronosServer/MareSynchronosShared
+COPY MareSynchronosServer/MareSynchronosAuthService /server/MareSynchronosServer/MareSynchronosAuthService
+
+WORKDIR /server/MareSynchronosServer/MareSynchronosAuthService/
+
+RUN dotnet publish \
+        --configuration=Debug \
+        --os=linux \
+        --output=/build \
+        MareSynchronosAuthService.csproj
+
+FROM mcr.microsoft.com/dotnet/aspnet:8.0
+
+RUN adduser \
+        --disabled-password \
+        --group \
+        --no-create-home \
+        --quiet \
+        --system \
+        mare
+
+COPY --from=BUILD /build /opt/MareSynchronosAuthService
+RUN chown -R mare:mare /opt/MareSynchronosAuthService
+RUN apt-get update; apt-get install curl -y
+
+USER mare:mare
+WORKDIR /opt/MareSynchronosAuthService
+
+CMD ["./MareSynchronosAuthService"]