docs: add Main classes chapter to index.rst

Author: chilango74

docs/index.rst

@@ -10,7 +10,7 @@
                 <img src="https://img.shields.io/badge/python-v3-brightgreen.svg"
                     alt="python"></a> &nbsp;
             <a href="https://pypi.org/project/okama/">
-                <img src="https://img.shields.io/badge/pypi-v1.0.1-brightgreen.svg"
+                <img src="https://img.shields.io/badge/pypi-v1.0.2-brightgreen.svg"
                     alt="pypi"></a> &nbsp;
             <a href='https://coveralls.io/github/mbk-dev/okama?branch=master'>
                             <img src='https://coveralls.io/repos/github/mbk-dev/okama/badge.svg?branch=master'
@@ -119,6 +119,9 @@ The latest development version can be installed directly from GitHub:
 
     /jupyter/portfolio
 
+Main classes
+************
+
 .. autosummary::
     :toctree: stubs
     :template: custom-class-template.rst

okama/__init__.py

@@ -39,4 +39,4 @@
 from okama.common.helpers import Float, Frame, Rebalance, Date
 import okama.settings
 
-__version__ = "1.0.1"
+__version__ = "1.0.2"

okama/api/namespaces.py

@@ -26,7 +26,6 @@ def symbols_in_namespace(namespace: str = default_namespace, response_format: st
         raise ValueError('response_format must be "json" or "frame"')
 
 
-
 @lru_cache()
 def get_assets_namespaces():
     string_response = API.get_assets_namespaces()