Add maintainers file

MAINTAINERS.md

@@ -0,0 +1,32 @@
+# For maintainers only
+
+### Setup your minio-dotnet Github Repository
+
+Fork [minio-dotnet upstream](https://github.com/minio/minio-dotnet/fork) source repository to your own personal repository.
+```bash
+$ git clone https://github.com/$USER_ID/minio-dotnet
+$ cd minio-dotnet
+```
+
+Minio .NET Library uses nuget for its dependency management https://nuget.org/
+
+### Publishing new package
+
+#### Setup your nuget and download all dependencies
+
+```bash
+$ wget https://www.nuget.org/nuget.exe
+$ mono nuget.exe restore
+```
+
+#### Compile the project and build a package
+
+```bash
+$ xbuild
+$ mono nuget.exe pack Minio/Minio.csproj
+... package built ...
+```
+
+#### Go to nuget.org
+
+Sign into nuget.org to [upload a package through browser](https://www.nuget.org/users/account/LogOn?ReturnUrl=%2Fpackages%2Fupload).