Fix markdown links and image paths in documentation

Author: Vamshi-Microsoft

docs/AzureGPTQuotaSettings.md

@@ -1,6 +1,6 @@
 ## How to Check & Update Quota
 
-Please follow [quota check instructions guide](./Quota_Check.md) to check quota availability by region.
+Please follow [quota check instructions guide](./quota_check.md) to check quota availability by region.
 
 1. **Navigate** to the [Azure AI Foundry portal](https://ai.azure.com/).  
 2. **Select** the AI Project associated with this accelerator.  

docs/DeploymentGuide.md

@@ -2,7 +2,7 @@
 
 ## **Pre-requisites**
 
-To deploy this solution accelerator, ensure you have access to an [Azure subscription](https://azure.microsoft.com/free/) with the necessary permissions to create **resource groups, resources, app registrations, and assign roles at the resource group level**. This should include Contributor role at the subscription level and Role Based Access Control role on the subscription and/or resource group level. Follow the steps in [Azure Account Set Up](./AzureAccountSetUp.md).
+To deploy this solution accelerator, ensure you have access to an [Azure subscription](https://azure.microsoft.com/free/) with the necessary permissions to create **resource groups, resources, app registrations, and assign roles at the resource group level**. This should include Contributor role at the subscription level and Role Based Access Control role on the subscription and/or resource group level. Follow the steps in [Azure Account Set Up](./AzureAccountSetup.md).
 
 Check the [Azure Products by Region](https://azure.microsoft.com/en-us/explore/global-infrastructure/products-by-region/?products=all&regions=all) page and select a **region** where the following services are available:
 

docs/ManualAppRegistrationConfiguration.md

@@ -127,7 +127,7 @@ This guide provides detailed steps to manually register both front-end and backe
     - **Issuer URL**: `https://sts.windows.net/<tenant_id>/v2.0`
     - **Allowed Token Audiences**: Usually the Application ID URI or Client ID
 - Click **Add**  
-![manual_register_app_api_4](./images/manual_register_app_api_4.png)
+![manual_register_app_api_4](./images/manual_register_app_web_4.png)
 ![manual_register_app_api_5](./images/manual_register_app_api_5.png)
 
 ---

docs/quota_check.md

@@ -76,7 +76,7 @@ The final table lists regions with available quota. You can select any of these
 ### **If using VS Code or Codespaces**
 1. Open the terminal in VS Code or Codespaces.
 2. If you're using VS Code, click the dropdown on the right side of the terminal window, and select `Git Bash`.
-   ![git_bash](Images/git_bash.png)
+   ![git_bash](images/git_bash.png)
 3. Navigate to the `scripts` folder where the script files are located and make the script as executable:
    ```sh
     cd infra/scripts