Replace AzureFormRecognizer with AzureAIDocIntel in settings (#1007)

### Motivation and Context
After an upgrade in libraries, the settings no longer match the code for
OCR.

### Description
Replace AzureFormRecognizer with AzureAIDocIntel in settings

Author: glahaye

memorypipeline/appsettings.json

@@ -3,7 +3,7 @@
   // Kernel Memory configuration - https://github.com/microsoft/kernel-memory
   // - DocumentStorageType is the storage configuration for memory transfer: "AzureBlobs" or "SimpleFileStorage"
   // - TextGeneratorType is the AI completion service configuration: "AzureOpenAIText" or "OpenAI"
-  // - ImageOcrType is the image OCR configuration: "None" or "AzureFormRecognizer" or "Tesseract"
+  // - ImageOcrType is the image OCR configuration: "None" or "AzureAIDocIntel" or "Tesseract"
   // - DataIngestion is the configuration section for data ingestion pipelines.
   // - Retrieval is the configuration section for memory retrieval.
   // - Services is the configuration sections for various memory settings.
@@ -187,9 +187,9 @@
       // - APIKey is the key generated to access the service.
       // - Endpoint is the service endpoint url.
       //
-      "AzureFormRecognizer": {
+      "AzureAIDocIntel": {
         "Auth": "APIKey",
-        //"APIKey": "", // dotnet user-secrets set "SemanticMemory:Services:AzureFormRecognizer:APIKey" "MY_AZUREFORMRECOGNIZER_KEY"
+        //"APIKey": "", // dotnet user-secrets set "SemanticMemory:Services:AzureAIDocIntel:APIKey" "MY_AZURE_AI_DOC_INTEL_KEY"
         "Endpoint": ""
       },
       //

webapi/README.md

@@ -26,8 +26,8 @@ The following material is under development and may not be complete or accurate.
    - **Tesseract** we have included the [Tesseract](https://www.nuget.org/packages/Tesseract) nuget package.
      - You will need to obtain one or more [tessdata language data files](https://github.com/tesseract-ocr/tessdata) such as `eng.traineddata` and add them to your `./data` directory or the location specified in the `SemanticMemory:Services:Tesseract:FilePath` location in `./appsettings.json`.
      - Set the `Copy to Output Directory` value to `Copy if newer`.
-   - **Azure Form Recognizer** we have included the [Azure.AI.FormRecognizer](https://www.nuget.org/packages/Azure.AI.FormRecognizer) nuget package.
-     - You will need to obtain an [Azure Form Recognizer](https://azure.microsoft.com/en-us/services/form-recognizer/) resource and add the `SemanticMemory:Services:AzureFormRecognizer:Endpoint` and `SemanticMemory:Services:AzureFormRecognizer:Key` values to the `./appsettings.json` file.
+   - **Azure AI Doc Intel** we have included the [Azure.AI.FormRecognizer](https://www.nuget.org/packages/Azure.AI.FormRecognizer) nuget package.
+     - You will need to obtain an [Azure AI Doc Intel](https://azure.microsoft.com/en-us/products/ai-services/ai-document-intelligence) resource and add the `SemanticMemory:Services:AzureAIDocIntel:Endpoint` and `SemanticMemory:Services:AzureAIDocIntel:Key` values to the `./appsettings.json` file.
 
 ## Running [Memory Service](https://github.com/microsoft/kernel-memory)
 

webapi/appsettings.json

@@ -185,7 +185,7 @@
       "MemoryDbTypes": [
         "SimpleVectorDb"
       ],
-      // ImageOcrType is the image OCR configuration: "None", "AzureFormRecognizer" or "Tesseract"
+      // ImageOcrType is the image OCR configuration: "None", "AzureAIDocIntel" or "Tesseract"
       "ImageOcrType": "None"
     },
     //
@@ -338,9 +338,9 @@
       // - APIKey is the key generated to access the service.
       // - Endpoint is the service endpoint url.
       //
-      "AzureFormRecognizer": {
+      "AzureAIDocIntel": {
         "Auth": "APIKey",
-        //"APIKey": "", // dotnet user-secrets set "KernelMemory:Services:AzureFormRecognizer:APIKey" "MY_AZUREFORMRECOGNIZER_KEY"
+        //"APIKey": "", // dotnet user-secrets set "KernelMemory:Services:AzureAIDocIntel:APIKey" "MY_AZURE_AI_DOC_INTEL_KEY"
         "Endpoint": ""
       },
       //