Update README.md

README.md

@@ -1,19 +1,22 @@
 ---
-title: Dryness
-emoji: 🚀
-colorFrom: red
-colorTo: red
-sdk: docker
-app_port: 8501
-tags:
-- streamlit
+title: Sentinel-2 NDWI Stress Monitor
+emoji: 🌾
+colorFrom: green
+colorTo: blue
+sdk: streamlit
+app_file: app.py
 pinned: false
-short_description: Streamlit template space
 ---
 
-# Welcome to Streamlit!
+# Sentinel-2 NDWI (B8A-B11 / B8A-B12) + stress hydrique
 
-Edit `/src/streamlit_app.py` to customize this app to your heart's desire. :heart:
+Ce Space calcule :
+- NDWI agri (B8A & B11) et (B8A & B12)
+- une carte "stress" définie comme NDWI < pᵉ percentile
+- overlay sur l'image True Color
 
-If you have any questions, checkout our [documentation](https://docs.streamlit.io) and [community
-forums](https://discuss.streamlit.io).
+## Secrets à configurer
+Dans **Settings → Secrets** :
+
+- `SH_CLIENT_ID`
+- `SH_CLIENT_SECRET`