docs: add rclone install step to README setup guide

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

README.md

@@ -190,7 +190,22 @@ npm run db:generate
 npm run db:seed
 ```
 
-### Step 11 — Configure nginx
+### Step 11 — Install rclone
+
+Required for cloud backup destinations (Google Drive, Dropbox, etc.).
+
+1. Open the file manager and navigate to the `scripts/` folder inside the project
+2. Right-click `install-rclone.sh` → choose **Run as a program** or **Execute in Terminal**
+3. A terminal window will open — enter your password when prompted
+4. Wait for it to finish — it will print the installed version when done
+
+To verify it installed correctly, open a terminal and run:
+
+```sh
+rclone version
+```
+
+### Step 12 — Configure nginx
 
 The repo includes `nginx.conf` in the project root. Install it as the active site config:
 
@@ -203,7 +218,7 @@ sudo nginx -t && sudo systemctl reload nginx
 > **Important:** The `/api/` location block must include `proxy_set_header Authorization $http_authorization;`
 > Without it, nginx strips the Authorization header and the backend returns "Access denied. No token provided."
 
-### Step 12 — Run the app
+### Step 13 — Run the app
 
 Open two terminals:
 
@@ -220,7 +235,7 @@ cd apps/SeleniumService
 .venv/bin/python3 agent.py
 ```
 
-### Step 13 — Create desktop shortcuts (optional)
+### Step 14 — Create desktop shortcuts (optional)
 
 Instead of opening two terminals manually every time, you can create desktop shortcuts that start and stop all services with a single double-click.