* compose all the parts
* Fix on obtain and shim maker for better end to end experience
* Fix error when there is space in the middle of path of nuget config
* Fix path in profile.d is the tmp home path during install
* better handle of ~home
* remove profile.d file in uninstall script
* Fix test since it looks up current directory
* folder structure inside nupkg to tools/TFM/RID/mytool.dll
* Add check for config file existence
* Rename name space to Microsoft.DotNet.ShellShim
* Rename name space to Microsoft.DotNet.ToolPackage
Add ExeutablePackageObtainer
Given a tools package id, it can create a fake project and restore to correct folder
- DI, aka no circular dependency of commands
- Parser of config XML
- I try to create test nupkg at build time, so I can run test and debug
easily with VSCode. The code is in test csproj.