feat: initial project setup — Vision Studio bot

- Python 3.12 + discord.py
- Docker + docker-compose
- Forgejo Actions CI (lint + test)
- Cog system with /hello example
- deploy.sh for auto-deployment

.gitignore

@@ -0,0 +1,30 @@
+# --- SÉCURITÉ ---
+.env
+
+# --- PYTHON ---
+__pycache__/
+*.py[cod]
+*$py.class
+venv/
+.venv/
+env/
+
+# --- DONNÉES ---
+data/*
+!data/.gitkeep
+*.db
+*.db-journal
+*.db-wal
+*.db-shm
+
+# --- LOGS ---
+*.log
+logs/
+
+# --- IDE ---
+.vscode/
+.idea/
+.DS_Store
+
+# --- DOCKER ---
+docker-compose.override.yml