Update README

Author: BenConstable9

image_processing/GETTING_STARTED.md

@@ -2,7 +2,11 @@
 
 To get started, perform the following steps:
 
-1. Setup Azure OpenAI in your subscription with **gpt-4o-mini** & an embedding model, an Python Function App, AI Search and a storage account.
+1. Setup Azure OpenAI in your subscription with **gpt-4o-mini** & an embedding model, an Python Function App, AI Search, Document Intelligence and a Storage Account.
+    - Grant the Function App the following permissions:
+        - Cognitive Services Data Contributor (Preview) on the Document Intelligence Instance
+        - Cognitive Services OpenAI User on the Azure OpenAI Instance
+        - Storage Blob Data Contributor on the Storage Account Instance
 2. Clone this repository and deploy the AI Search rag documents indexes from `deploy_ai_search_indexes`.
 3. Run `uv sync` within the image_processing directory to install dependencies (or used the synced `requirements.txt`)
 4. Use the `.env.example` to add the required environmental variables to your function app. Not all values are required dependent on whether you are using System / User Assigned Identities or a Key based authentication. Use this template to update the environment variables in the function app.