Add changelog + docstrings.

Author: T4rk1n

CHANGELOG.md

@@ -0,0 +1,9 @@
+## [0.0.1] - 
+### Added
+**Initial release**
+
+Adapted from dash-auth
+
+- `create_logout_button` - create a dcc.LogoutButton with the `logout_url` set to the dash-deployment-server logout route.
+- `get_username` - get the currently logged in user.
+- `get_kerberos_ticket_cache` - Kerberos ticket for environments that supports it.

dash_enterprise_auth/__init__.py

@@ -1,3 +1,9 @@
+"""
+dash-enterprise auth
+
+Methods to integrate dash apps with the authentication from the
+dash-deployment-server.
+"""
 import datetime as _dt
 import os as _os
 import base64 as _b64
@@ -58,13 +64,24 @@ def _get_current_user_request():
 
 @_need_request_context
 def get_username():
+    """
+    Get the current user.
+
+    :return: The current user.
+    :rtype: str
+    """
     res_json = _get_current_user_request()
 
     return res_json.get('username')
 
 
 @_need_request_context
 def get_kerberos_ticket_cache():
+    """
+    Get the kerberos ticket for the current logged user.
+
+    :return: The kerberos ticket cache.
+    """
     res_json = _get_current_user_request()
 
     expiry_str = res_json['kerberos_ticket_expiry']