Add .NET commands

src/dotnet.md

@@ -3,6 +3,18 @@
 - [dotnet new](https://docs.microsoft.com/en-us/dotnet/core/tools/dotnet-new)
 	- `dotnet new list`
 
+```powershell
+# View .NET installed versions and information.
+dotnet --info
+```
+
+```powershell
+# Restore packages.
+dotnet restore
+
+dotnet watch run
+```
+
 ## Environment variables
 ```powershell
 $Env:ASPNETCORE_ENVIRONMENT = "Development"