feat(odoo): update image tag to generic version and simplify documentation examples

- Replace specific image tags with generic `18.0` tag in README.md
- Simplify docker-compose and Dockerfile examples to use stable tag
- Improve clarity and maintainability of image customization instructions

images/odoo/README.md

@@ -47,7 +47,7 @@ The following `compose.yml` is a minimal setup:
 services:
   odoo:
     container_name: odoo
-    image: mintsystem/odoo:18.0.20251008
+    image: mintsystem/odoo:18.0
     depends_on:
       - db
     environment:
@@ -80,7 +80,7 @@ This `compose.yml` shows all possible configurations:
 services:
   odoo:
     container_name: odoo
-    image: mintsystem/odoo:18.0.20251008
+    image: mintsystem/odoo:18.0
     depends_on:
         db:
             condition: service_healthy
@@ -542,7 +542,7 @@ This image can be customized by any extend.
 Update the image with Python packages:
 
 ```dockerfile
-FROM mintsystem/odoo:18.0.20251008
+FROM mintsystem/odoo:18.0
 
 RUN uv pip install prometheus-client astor fastapi python-multipart ujson a2wsgi parse-accept-language pyjwt
 ```
@@ -550,7 +550,7 @@ RUN uv pip install prometheus-client astor fastapi python-multipart ujson a2wsgi
 Or with apt packages:
 
 ```dockerfile
-FROM mintsystem/odoo:18.0.20251008
+FROM mintsystem/odoo:18.0
 
 RUN apt-get update && apt-get install -y libgl1-mesa-glx poppler-utils tesseract-ocr
 ```
@@ -560,7 +560,7 @@ RUN apt-get update && apt-get install -y libgl1-mesa-glx poppler-utils tesseract
 Copy custom Odoo conf file to the image.
 
 ```dockerfile
-FROM mintsystem/odoo:18.0.20251008
+FROM mintsystem/odoo:18.0
 
 COPY ./odoo.conf.template /etc/odoo/
 ```