Add local Jitsi Docker staging setup

scripts/local-jitsi-sync.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+ROOT_DIR="$(cd "$SCRIPT_DIR/.." && pwd)"
+LOCAL_DIR="$ROOT_DIR/local"
+STACK_DIR="$LOCAL_DIR/docker-jitsi-meet"
+CONFIG_DIR="$LOCAL_DIR/.jitsi-meet-cfg"
+
+if [[ ! -d "$STACK_DIR" ]]; then
+    echo "Missing $STACK_DIR. Run ./scripts/local-jitsi-setup.sh first."
+    exit 1
+fi
+
+mkdir -p "$CONFIG_DIR"/{web,transcripts,prosody/config,prosody/prosody-plugins-custom,jicofo,jvb,jigasi,jibri}
+
+cp "$LOCAL_DIR/custom-config.js" "$CONFIG_DIR/web/custom-config.js"
+cp "$LOCAL_DIR/custom-interface_config.js" "$CONFIG_DIR/web/custom-interface_config.js"
+cp "$LOCAL_DIR/docker-compose.override.yml" "$STACK_DIR/docker-compose.override.yml"
+
+echo "Synced PoliticTalk local overrides into Docker Jitsi runtime."