chore: update module author and add .gitignore file

.gitignore

@@ -0,0 +1,33 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# Editors and IDEs
+.idea/
+.vscode/
+*.swp
+*.swo
+.DS_Store

__manifest__.py

@@ -9,7 +9,7 @@ POS Loyalty Safe Coupon Patch
 =============================
 This module overrides POS models and helper methods inside the POS loyalty app to safely handle undefined coupon_id structures, preventing POS interface crashes (e.g. when changing tables or updating loyalty).
 """,
-    'author': 'Antigravity',
+    'author': 'Suherdy Yacob',
     'depends': ['pos_loyalty'],
     'assets': {
         'point_of_sale._assets_pos': [