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-= redmine_omniauth_google
+    This plugin is used to authenticate in redmine through google.
 
-Description goes here
+  Installation:
+Choose folder /plugins, make command git clone git@gitlab.tsdv.net:redmine_omniauth_google.git. Restart rails server.
+
+  To make possible to authenticate via google you must first to register application in
+Google. Go to the link https://code.google.com/apis/console and register plugin.
+When registering specify application name, for example, Redmine Oauth Google.
+In section "Your site or hostname" choose mode http, in the text input box enter 
+your domain, for example, yourdomain.com. Select (more options). 
+In section "Authorized Redirect URIs"  in the text box enter http://yourdomain/oauth_google_callback. Press the button "Create client ID".
+The registrations is complete.
+
+  Login as administrator. In top menu select "Administration".
+Choose menu item Plugins. In plugins list choose "Redmine Omniauth Google plugin". 
+Press "Configure". Fill Сlient ID & Client Secret by corresponding values, obtained 
+by Google. Put the check "Oauth authentification", to make it possible to login
+through Google. Click Apply. Users can now to use apportunity to login via Google.
+
+  User goes to the login page(sign in). User clicks the button with Google image.
+The plugin redirects him to Google. User enters his the еmail & password from Google.
+Google redirect user back to plugins controller. Then the following cases:
+      1. If auto registration is enabled, user is redirected to 'my/page'
+      2. In  others cases user is redirected to 'login'.
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