Version initiale de Gestion Prix

App Flutter de gestion de stock/prix pour tablette Android (100% local) :
scan code-barres (OpenFoodFacts), prix au kilo/litre, packs, inventaire,
prix d'achat + marge, filtres de tri, étiquettes PDF, design noir & blanc.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

android/.gitignore

@@ -0,0 +1,14 @@
+gradle-wrapper.jar
+/.gradle
+/captures/
+/gradlew
+/gradlew.bat
+/local.properties
+GeneratedPluginRegistrant.java
+.cxx/
+
+# Remember to never publicly share your keystore.
+# See https://flutter.dev/to/reference-keystore
+key.properties
+**/*.keystore
+**/*.jks