- Initial work on Dockerfile

- Updated README.md with more information
- Added some todos

Dockerfile

@@ -0,0 +1,20 @@
+FROM mcr.microsoft.com/dotnet/sdk:5.0 AS build
+WORKDIR /source
+
+COPY src/NadekoBot/*.csproj src/NadekoBot/
+COPY src/NadekoBot.Coordinator/*.csproj src/NadekoBot.Coordinator/
+COPY src/ayu/Ayu.Discord.Voice/*.csproj src/ayu/Ayu.Discord.Voice/
+RUN dotnet restore src/NadekoBot/
+
+COPY . .
+WORKDIR /source/src/NadekoBot
+RUN dotnet publish -c Release -o /app --no-restore
+
+# final stage/image
+FROM mcr.microsoft.com/dotnet/aspnet:5.0
+ENV shard_id=0
+ENV total_shards=1
+WORKDIR /app
+COPY --from=build /app ./
+VOLUME [ "/data" ]
+ENTRYPOINT dotnet NadekoBot.dll "$shard_id" "$total_shards"