init tuto for supabase

supabase/README.md

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+# Supabase
+
+[Supabase](https://supabase.com/) is an open source Firebase alternative.
+
+## Getting started with Docker
+
+https://supabase.com/docs/guides/self-hosting/docker
+
+```bash
+cd github/
+mkdir supabase
+cd supabase/
+
+# Get the code
+git clone --depth 1 https://github.com/supabase/supabase.git
+
+# Go to the docker folder
+cd supabase/docker
+
+# Copy the fake env vars
+cp .env.example .env
+
+# Start
+docker compose up -d
+
+# List containers
+docker compose ps
+
+# Show logs
+docker compose logs -f
+```
+
+Now visit http://localhost:3000 to start using Supabase Studio.
+
+
+## Supabase CDC Webhooks
+
+https://dzone.com/articles/supabase-cdc-webhooks-to-memphis-rest-gateway