Update Google Cloud setup instructions in README

Reorganized Google Cloud setup instructions and removed optional section.

Author: MichaelAkridge-NOAA

README.md

@@ -22,13 +22,24 @@ A comprehensive web-based application for managing Google Cloud Storage uploads
 - **Python 3.9+**
 - **Google Cloud SDK** (includes gsutil) — for cloud upload features
 - **Permissions** to target GCS buckets
+---
+### Google Cloud Setup
 
-**OR** use Docker (see [Docker Installation](#docker-installation) below)
+Required only for cloud upload features:
+```bash
+# Install Google Cloud SDK
+# Download from: https://cloud.google.com/sdk/docs/install
 
----
+# Authenticate
+gcloud auth login --no-launch-browser
+gcloud auth application-default login --no-launch-browser
 
-### Installation
+# Verify access (optional)
+gsutil ls
+gcloud auth list
+```
 
+### Installation
 #### Option 1: Install from PyPI (Recommended)
 
 ```bash
@@ -58,24 +69,6 @@ pip install -e .
 # Or with all optional features
 pip install -e ".[all]"
 ```
----
-
-### Google Cloud Setup (Optional)
-
-Required only for cloud upload features:
-
-```bash
-# Install Google Cloud SDK
-# Download from: https://cloud.google.com/sdk/docs/install
-
-# Authenticate
-gcloud auth login --no-launch-browser
-gcloud auth application-default login --no-launch-browser
-
-# Verify access (optional)
-gsutil ls
-gcloud auth list
-```
 
 ---