Add examples for save and get configurations

doc/source/main/tools.rst

@@ -451,3 +451,24 @@ Get digest
     digest = app.sha512(data)
     app.msgbox(digest)
 
+
+Save and get configurations
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+You can save any data.
+
+.. code-block:: bash
+
+    my_app = 'my_extension'
+    data = {
+        'path': '/home/mau/work',
+        'save_data': True,
+    }
+
+    app.set_config('config', data, my_app)
+
+    app.msgbox('Save config')
+
+    data = app.get_config('config', my_app)
+
+    app.msgbox(data)

source/easymacro.py

@@ -692,8 +692,8 @@ def sha512(data):
     result = hashlib.sha512(data.encode()).hexdigest()
     return result
 
-
-def get_config(key='', default={}, prefix='conf'):
+# ~ todo
+def get_config(key='', prefix='conf', default={}):
     name_file = FILE_NAME_CONFIG.format(prefix)
     values = None
     path = _P.join(_P.config('UserConfig'), name_file)