update README

README.md

@@ -1,49 +1,61 @@
 Django integration with ePayco ([epayco.co](https://www.epayco.co)), Colombian payment gateway.
 
 ## Installation
-- `pip install depayco`.
+- `pip install depayco`
+
+- Set _depayco_ on INSTALLED_APPS
+
+- Set secret and public key in `settings`:
+
+    **EPAYCO_PUBLIC_KEY**: String
+
+    **EPAYCO_SECRET_KEY**: String
+
+- Add plans to `settings` file:
+
+    ```
+    PLANS = (
+        {
+            'id_plan': 'love2d_course',
+            'name': 'love2d Course',
+            'description': 'The most beautiful love2d course',
+            'amount': 29.99,
+            'currency': 'USD',
+            'interval': 'month',
+            'interval_count': 1,
+            'trial_days': 14,
+        },
+        {
+            'id_plan': 'defold_course',
+            'name': 'defold Course',
+            'description': 'The most mad defold course',
+            'amount': 29.99,
+            'currency': 'USD',
+            'interval': 'month',
+            'interval_count': 1,
+            'trial_days': 14,
+        }
+    )
+    ```
+**Note**: for create plan in epayco.co run command `sync_plans`
+
+- Create tables in DB `python manage.py migrate`
+
+## Commands
 
-- Set _depayco_ on INSTALLED_APPS.
+`python manage.py sync_plans` to create plans on epayco.co
+
+`python manage.py sync_subscriptions` to keep update your subscriptions on DB
 
-- Run `python manage.py migrate`.
+## Configurations
 
-## Configurations (settings.py)
+**DEBUG_EPAYCO**: Boolean
 
 **EPAYCO_PUBLIC_KEY**: String
 
 **EPAYCO_SECRET_KEY**: String
 
-**DEBUG_EPAYCO**: Boolean
-
-**PLANS**
-```
-PLANS = (
-    {
-        'id_plan': 'love2d_course',
-        'name': 'love2d Course',
-        'description': 'The most beautiful love2d course',
-        'amount': 29.99,
-        'currency': 'USD',
-        'interval': 'month',
-        'interval_count': 1,
-        'trial_days': 14,
-    },
-    {
-        'id_plan': 'defold_course',
-        'name': 'defold Course',
-        'description': 'The most mad defold course',
-        'amount': 29.99,
-        'currency': 'USD',
-        'interval': 'month',
-        'interval_count': 1,
-        'trial_days': 14,
-    }
-)
-```
-
-## How to use
-
-`python manage.py sync_plans` to create plans on epayco.co
+**PLANS**: Tuple
 
 ## Buy me a coffee