Refactor environment variable loading for Supabase integration

- Added dotenv support to load environment variables from a .env file.
- Updated SUPABASE_URL and SUPABASE_KEY retrieval to use os.environ for better configuration management.

app.py

@@ -1,6 +1,11 @@
-SUPABASE_URL = userdata.get('SUPABASE_URL')
+from dotenv import load_dotenv
+load_dotenv()
 
-SUPABASE_KEY = userdata.get('SUPABASE_KEY')
+import os
+# 環境変数から取得
+SUPABASE_URL = os.environ.get('SUPABASE_URL')
+
+SUPABASE_KEY = os.environ.get('SUPABASE_KEY')
 
 import supabase
 table_threshold = "Threshold_data"

requirements.txt

@@ -0,0 +1,4 @@
+gradio[mcp]
+supabase
+numpy
+python-dotenv