update docs

Author: Eugene Tupikov

docs/using-other-icon-libraries.md renamed to docs/icons.md

@@ -1,10 +1,19 @@
 site_name: yii2-multipke-input
-site_description: 'A docs test'
+site_description: 'Yii2 widget to handle multiple inputs for an attribute of a model'
 site_author: 'Eugene Tupikov'
 docs_dir: docs/
 repo_name: 'unclead/yii2-multiple-input'
 repo_url: 'https://github.com/unclead/yii2-multiple-input'
 nav:
   - About: index.md
+  - Installation: installation.md
+  - Getting started: getting-started.md
+  - Configuration: configuration.md
+  - Renderers: renderers.md
+  - JS events: javascript-events.md
+  - Clonning: clonning.md
+  - Tips and Tricks: tips-and-tricks.md
+  - Custom icons: icons.md
+  - Usage: usage.md
 theme:
   name: 'material'