Initial commit: CLEO ERP avec améliorations debug

- Configuration du debug conditionnel pour dev/recette
- Fonction debug() globale avec niveaux
- Logging des requêtes SQL
- Handlers d'exceptions et d'erreurs globaux

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

vendor/maennchen/zipstream-php/.github/ISSUE_TEMPLATE/FEATURE.yml

@@ -0,0 +1,11 @@
+name: 🎉 Feature Request
+description: You have a neat idea that should be implemented?
+labels: ["enhancement"]
+body:
+  - type: textarea
+    id: description
+    attributes:
+      label: Description
+      description: Provide a summary of the feature you would like to see implemented.
+    validations:
+      required: true