update subtitles

Author: soldatov-ss

docs/getting_started.rst

@@ -2,6 +2,7 @@ Getting Started
 ==================
 
 1. Create a Referral Program
+--------------------
 
 After installation, you can create a new referral program using the provided management command. If this program is set to active, any previous active referral programs will be deactivated automatically.
 
@@ -10,6 +11,7 @@ After installation, you can create a new referral program using the provided man
    python manage.py create_referral_program --name="My Referral Program" --commission-rate=5.00 --min-withdrawal-balance=10.00
 
 2. Set Up Environment Variables
+--------------------
 
 In order to generate referral links, you need to set up the following environment variables in your `.env` file:
 

docs/installation.rst

@@ -4,12 +4,14 @@ Installation Guide
 Follow these steps to install and set up `django-referral-system`:
 
 1. Install the package via pip:
+--------------------
 
    .. code-block:: bash
 
       pip install django-referral-system
 
 2. Add referrals to your `INSTALLED_APPS` in `settings.py`:
+--------------------
 
    .. code-block:: python
 
@@ -19,6 +21,7 @@ Follow these steps to install and set up `django-referral-system`:
       ]
 
 3. Add to `urls.py`:
+--------------------
 
    .. code-block:: python
 
@@ -30,6 +33,7 @@ Follow these steps to install and set up `django-referral-system`:
       ]
 
 4. Apply Migrations:
+--------------------
 
    .. code-block:: bash