Fix deploy.sh step counter and document auth token retrieval

- Renumber deploy.sh steps from [1/5]-[4/5] to [1/4]-[4/4] (step 5 was removed)
- Add 'Finding Your Auth Token' section to README.md explaining how to
  retrieve the authToken from config.json on mini-server

deploy.sh

@@ -25,7 +25,7 @@ if [ ! -f "$PROXY_DIR/config.json" ]; then
     exit 1
 fi
 
-echo "[1/5] Config found."
+echo "[1/4] Config found."
 
 # --- Step 2: Generate auth token if still default ---
 AUTH_TOKEN=$(node -e "console.log(JSON.parse(require('fs').readFileSync('$PROXY_DIR/config.json','utf-8')).authToken)")
@@ -40,10 +40,10 @@ if [ "$AUTH_TOKEN" = "CHANGE_ME_TO_A_LONG_RANDOM_STRING" ]; then
     exit 1
 fi
 
-echo "[2/5] Auth token is set."
+echo "[2/4] Auth token is set."
 
 # --- Step 3: Test the proxy locally ---
-echo "[3/5] Testing proxy startup..."
+echo "[3/4] Testing proxy startup..."
 source "$HOME/.nvm/nvm.sh"
 timeout 5 node "$PROXY_DIR/proxy.mjs" &
 PROXY_PID=$!
@@ -66,7 +66,7 @@ else
 fi
 
 # --- Step 4: Install systemd service ---
-echo "[4/5] Installing systemd service..."
+echo "[4/4] Installing systemd service..."
 sudo cp "$PROXY_DIR/$SERVICE_NAME.service" "/etc/systemd/system/$SERVICE_NAME.service"
 sudo systemctl daemon-reload
 sudo systemctl enable "$SERVICE_NAME"