Add project creation instructions to quick-start guide (#307)

* Add project creation instructions to quick-start guide

Added instructions for creating a new project using PowerShell.

* Apply suggestion from @jozkee

Co-authored-by: David Cantú <dacantu@microsoft.com>

---------

Co-authored-by: westey <164392973+westey-m@users.noreply.github.com>
Co-authored-by: David Cantú <dacantu@microsoft.com>

Author: 3 people

agent-framework/tutorials/quick-start.md

@@ -32,6 +32,13 @@ Before you begin, ensure you have the following:
 > This demo uses Azure CLI credentials for authentication. Make sure you're logged in with `az login` and have access to the Azure OpenAI resource. For more information, see the [Azure CLI documentation](/cli/azure/authenticate-azure-cli-interactively). It is also possible to replace the `AzureCliCredential` with an `ApiKeyCredential` if you
 have an api key and do not wish to use role based authentication, in which case `az login` is not required.
 
+## Create a project
+
+```powershell
+dotnet new console -o AgentFrameworkQuickStart
+cd AgentFrameworkQuickStart
+```
+
 ## Install Packages
 
 Packages will be published to [NuGet Gallery | MicrosoftAgentFramework](https://www.nuget.org/profiles/MicrosoftAgentFramework).