Add more information on the Angular Orchestrator app README. (#237)

Author: sugoi-yuzuru

angular/projects/orchestrator/README.md

@@ -1,19 +1,21 @@
 # Orchestrator
 
-Sample application using the Chat-Canvas component working with multiple A2A and A2UI Agents.
+Sample application using the Chat-Canvas component orchestrating multiple A2A and A2UI Agents.
+
+This angular app connects to an Orchastrator Agent which takes user messages and delegates tasks to its subagents based on the assessed context. 
 
 ## Prerequisites
 
 1. [nodejs](https://nodejs.org/en)
 2. GoogleMap API ([How to get the API key](https://developers.google.com/maps/documentation/javascript/get-api-key))
-3. An endpoint hosting the A2AService
+3. An endpoint hosting all of the A2AService. ([Review the instructions on how to run Orchestrator A2AService connecting to multiple A2A/A2UI Agents](../../../a2a_agents/python/adk/samples/orchestrator/README.me).)
 
 ## Running
 
 1. Update the `src/environments/environment.ts` file with your Google Maps API key.
 2. Build the shared dependencies by running `npm run build` in the `renderers/lit` directory
 3. Install the dependencies: `npm i`
-4. Run the A2A server for an agent
+4. Run the A2A server for all of the agents. ([Link to instructions](../../../a2a_agents/python/adk/samples/orchestrator/README.me))
 5. Run the app:
 
 - `npm start -- orchestrator`