Add PayDunya payment provider integration

- Implemented PayDunya payment provider with necessary models, controllers, and views.
- Added configuration files for Docker and Odoo setup.
- Included .gitignore for Python and Odoo specific files.

docker-compose.yml

@@ -0,0 +1,25 @@
+services:
+  web:
+    image: odoo:18.0
+    depends_on:
+      - db
+    ports:
+      - "9000:8069"
+    volumes:
+      - ./addons:/mnt/extra-addons
+      - ./odoo.conf:/etc/odoo/odoo.conf
+    environment:
+      - HOST=db
+      - USER=odoo
+      - PASSWORD=odoo
+ 
+  db:
+    image: postgres:15
+    environment:
+      - POSTGRES_DB=postgres
+      - POSTGRES_PASSWORD=odoo
+      - POSTGRES_USER=odoo
+    ports:
+      - "6432:5432"
+    volumes:
+      - ./data/odoo-db:/var/lib/postgresql/data