readme updated

Author: EhsanSafir

README.rst

@@ -1,23 +1,24 @@
  Django Advance Dumpdata
-========================
+===================
 
 Django Manage Command like  ``dumpdata`` but with have more feature to  Output the contents of the database from given fields of a model
 and filter that data using standard Django lookups for filtering.
 data  can be export with divers format like json,xml,yaml.exported structure is compatible with Django ``dumpdata`` structure which
 allows you to use standard ``loaddata`` command for import.
 xx
-
 Installation
 ------------
 
 To get the latest stable release from PyPi
 
+.. code-block:: bash
 
     pip install django-dumpdata-advance
 
 
 Add ``dumpdata_advance`` to your ``INSTALLED_APPS``
 
+.. code-block:: python
 
     INSTALLED_APPS = (
         ...,
@@ -29,64 +30,64 @@ Usage
 
 Export data:
 
-
+ .. code-block:: bash
 
     ./manage.py dumpdata_one app_name.model_name --fields=field1,field2 > dump_file.json
 
 
 Import data:
 
-
+ .. code-block:: bash
 
     ./manage.py loaddata dump_file.json
 
 
 How to use filters? If you not familiar take a look at Django Field
 lookups - https://docs.djangoproject.com/en/3.0/topics/db/queries/#field-lookups
 
-
+ .. code-block:: bash
 
     ./manage.py dumpdata_one app_name.model_name --fields=field1 --filter=name__icontains=django
 
     ./manage.py dumpdata_one app_name.model_name --fields=field1 --filter=name__icontains=django,pk__gt=300
 
 Set order by:
 
-
+.. code-block:: bash
 
     ./manage.py dumpdata_advance app_name.model_name --fields=field1,field2 --order=field2,field2
 
 Export all fields:
 
-
+.. code-block:: bash
 
     ./manage.py dumpdata_advance app_name.model_name --fields=*
 
 
 Exclude custom fields:
 
-
+.. code-block:: bash
 
     ./manage.py dumpdata_advance app_name.model_name --exclude_fields=name
 
 
 
 Limit number of exported records:
 
-
+.. code-block:: bash
 
     ./manage.py dumpdata_advance app_name.model_name --fields=* --limit=10
 
 
 Export full file URL:
 
-
+.. code-block:: bash
 
     ./manage.py dumpdata_advance app_name.model_name --fields=image --full_url=image
 
 
 Export from another database than 'default':
 
-
+.. code-block:: bash
 
     ./manage.py dumpdata_advance app_name.model_name --database=other_database