Clean up README to make it more copy-pastable, with simplifying the sample command and making the parallelism between AIS and Vertex clearer. (#40)

Author: emilypitler

README.md

@@ -32,8 +32,9 @@ playwright install chrome
 ```
 
 ### 2. Configuration
+You can get started using either the Gemini Developer API or Vertex AI.
 
-#### Set Gemini API Key (for Gemini Developer API only)
+#### A. If using the Gemini Developer API:
 
 You need a Gemini API key to use the agent:
 
@@ -53,7 +54,7 @@ source .venv/bin/activate
 
 Replace `YOUR_GEMINI_API_KEY` with your actual key.
 
-#### Setup Vertex AI Client (for Vertex AI API only)
+#### B. If using the Vertex AI Client:
 
 You need to explicitly use Vertex AI, then provide project and location to use the agent:
 
@@ -84,11 +85,13 @@ The primary way to use the tool is via the `main.py` script.
 **General Command Structure:**
 
 ```bash
-python main.py --query "Go to Google and type 'Hello World' into the search bar" --env <environment> [options]
+python main.py --query "Go to Google and type 'Hello World' into the search bar"
 ```
 
 **Available Environments:**
 
+You can specify a particular environment with the ```--env <environment>``` flag.  Available options:
+
 - `playwright`: Runs the browser locally using Playwright.
 - `browserbase`: Connects to a Browserbase instance.
 - `hud`: Integrates with hud's browser environment.
@@ -167,4 +170,4 @@ python hud_eval.py --taskset SheetBench-V2
 
 # Run in parallel with 50 concurrent tasks (can support up to 400)
 python hud_eval.py --taskset OSWorld-Verified --parallel --max_concurrent 50
-```
+```