Add docs

docs/Dockerfile

@@ -0,0 +1,8 @@
+FROM mcr.microsoft.com/dotnet/sdk:7.0 AS builder
+WORKDIR /build
+COPY . /build
+RUN dotnet tool install retypeapp --tool-path /bin
+RUN retype build --output .docker-build/
+
+FROM httpd:latest
+COPY --from=builder /build/.docker-build/ /usr/local/apache2/htdocs/