Add POT setup script.

scripts/potoken_provider/setup_pot_provider.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+set -e
+
+SCRIPTS_DIR="scripts/potoken_provider"
+BGUTIL_DIR="$SCRIPTS_DIR/bgutil-ytdlp-pot-provider"
+
+# Clone the repository, or update if it exists
+if [ ! -d "$BGUTIL_DIR" ]; then
+    echo "Cloning bgutil-ytdlp-pot-provider repository..."
+    git clone https://github.com/Brainicism/bgutil-ytdlp-pot-provider.git "$BGUTIL_DIR"
+else
+    echo "Updating existing bgutil-ytdlp-pot-provider repository..."
+    cd "$BGUTIL_DIR" || exit 1
+    git pull origin master
+fi
+
+# Move into the server directory
+cd "$BGUTIL_DIR/server" || exit 1
+
+# Install dependencies and transpile the script
+yarn install --frozen-lockfile
+npx tsc
+
+# The built script is now available
+echo "PO Token provider script is ready: $BGUTIL_DIR/server/build/generate_once.js"