Add Raspberry Pi health monitoring

Co-authored-by: Copilot <[email protected]>

app.py

@@ -1,5 +1,5 @@
 from flask import Flask, render_template, make_response, json, jsonify, request, send_file
-from modules import app_gps, app_events, app_car, app_account, app_gps,app_obd, app_sql, app_dash, app_upload, app_video
+from modules import app_gps, app_events, app_car, app_account, app_gps,app_obd, app_sql, app_dash, app_upload, app_video, app_health
 import os, time
 from gevent.pywsgi import WSGIServer
 
@@ -140,6 +140,10 @@ def local_video_delete():
 def upload_status():
     return jsonify(app_upload.get_status())
 
+@app.route('/api/health')
+def health():
+    return jsonify(app_health.collect_health())
+
 @app.route('/api/upload/dashcam_toggle', methods=['POST'])
 def upload_dashcam_toggle():
     body = request.get_json(silent=True) or {}