adds claude.md

CLAUDE.md

@@ -0,0 +1,10 @@
+This is a django project that is used for padel tournaments management.
+Here are the different apps:
+- api: the api is used to communicate with the mobile app
+- authentication: regroups authentications services
+- biz: it's our CRM project to manage customers
+- shop: the website that hosts the shop
+- sync: the project used to synchronize the data between apps and the backend
+- tournaments: the main website the display everything about the padel tournaments
+
+In production, the project runs with ASGI because we use websockets in the sync app.