change from https to http and model update (Azure-Samples#119)

## Purpose
Changed the readme to use http for local usage so it works properly on
DevContainers and Linux when there is not SSL cert on the machine. Also
updated the readme to reflect the sample uses Turbo and not Davinci.

## Does this introduce a breaking change?
[ ] Yes
[X ] No

## Pull Request Type
What kind of change does this Pull Request introduce?

[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ X] Documentation content changes
[ ] Other... Please describe:
```

## How to Test
*  Get the code

```
git clone [repo-address]
cd [repo-name]
git checkout [branch-name]
npm install
```

* Test the code
<!-- Add steps to run the tests suite and/or manually test -->
```
```

## What to Check
Verify that the following are valid
* ...

## Other Information
<!-- Add any other helpful information that may be needed here. -->

Co-authored-by: Scott Hunter <[email protected]>

Author: coolcsh

README.md

@@ -65,7 +65,7 @@ You can run this repo virtually by using GitHub Codespaces or VS Code Remote Con
 1. Create a new folder and switch to it in the terminal
 1. Run `azd auth login`
 1. Run `azd init -t azure-search-openai-demo-csharp`
-    * For the target location, the regions that currently support the models used in this sample are **East US** or **South Central US**. For an up-to-date list of regions and models, check [here](https://learn.microsoft.com/azure/cognitive-services/openai/concepts/models)
+    * For the target location, the regions that currently support the model used in this sample are **East US** or **South Central US**. For an up-to-date list of regions and models, check [here](https://learn.microsoft.com/azure/cognitive-services/openai/concepts/models)
 
 #### Starting from scratch
 
@@ -74,7 +74,7 @@ Execute the following command, if you don't have any pre-existing Azure services
 1. Run `azd up` - This will provision Azure resources and deploy this sample to those resources, including building the search index based on the files found in the `./data` folder.
 
 > **Note**<br>
-> This application uses the `text-davinci-003` and `gpt-35-turbo` models. When choosing which region to deploy to, make sure they're available in that region (i.e. EastUS). For more information, see the [Azure OpenAI Service documentation](https://learn.microsoft.com/en-us/azure/cognitive-services/openai/concepts/models#gpt-3-models-1).  
+> This application uses the `gpt-35-turbo` model. When choosing which region to deploy to, make sure they're available in that region (i.e. EastUS). For more information, see the [Azure OpenAI Service documentation](https://learn.microsoft.com/en-us/azure/cognitive-services/openai/concepts/models#gpt-3-models-1).  
 
 1. After the application has been successfully deployed you will see a URL printed to the console.  Click that URL to interact with the application in your browser.  
 
@@ -138,10 +138,10 @@ It will look like the following:
 1. Run the following .NET CLI command to start the ASP.NET Core Minimal API server (client host):
 
     ```dotnetcli
-    dotnet run --project ./app/backend/MinimalApi.csproj --urls=https://localhost:7181/
+    dotnet run --project ./app/backend/MinimalApi.csproj --urls=http://localhost:7181/
     ```
 
-Navigate to <https://localhost:7181>, and test out the app.
+Navigate to <http://localhost:7181>, and test out the app.
 
 #### Sharing Environments
 
@@ -159,7 +159,7 @@ Run `azd down`
 ### Quickstart
 
 * In Azure: navigate to the Azure Static Web App deployed by `azd`. The URL is printed out when `azd` completes (as "Endpoint"), or you can find it in the Azure portal.
-* When running locally, navigate to <https://localhost:7181> for the client app and <https://localhost:7181/swagger> for the Open API server page.
+* When running locally, navigate to <http://localhost:7181> for the client app and <http://localhost:7181/swagger> for the Open API server page.
 
 Once in the web app: