Add initial readme

Author: dnauck

README.md

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+## Angular Advanced Searchbox
+[![Build Status](https://travis-ci.org/dnauck/angular-advanced-searchbox.png?branch=master)](https://travis-ci.org/dnauck/angular-advanced-searchbox)
+
+A directive for AngularJS providing a advanced visual search box.
+
+### [DEMO](http://dnauck.github.io/angular-advanced-searchbox/)
+
+### Usage
+
+Include with bower
+
+```sh
+bower install angular-advanced-searchbox
+```
+
+Load the javascript and css and declare your Angular dependency
+
+```html
+<link rel="stylesheet" href="angular-advanced-searchbox.min.css">
+<script src="angular-advanced-searchbox.min.js"></script>
+```
+
+```js
+angular.module('myModule', ['angular-advanced-searchbox']);
+```
+
+Then in your view
+
+```html
+<nit-advanced-searchbox
+	ng-model="searchParams"
+	parameters="availableSearchParams"
+	placeholder="Search...">
+</nit-advanced-searchbox>
+```
+
+The `angular-advanced-searchbox` directive uses an external template stored in
+`angular-advanced-searchbox.html`.  Host it in a place accessible to
+your page and set the `template-url` attribute. Note that the `url`
+param can be a scope variable as well as a hard-coded string.
+
+### Benefits
+
+* Handles free text search and/or parameterized searches
+* Provides suggestions on available search parameters
+* Easy to use with mouse or keyboard
+* Model could easily be used as ```params``` for Angular's ```$http``` API
+* Twitter Bootstrap compatible markup
+* Works perfectly together with [angular-paginate-anything](https://github.com/begriffs/angular-paginate-anything) (use ```ng-model``` as ```url-params```)
+
+### Directive Attributes
+
+<table>
+  <thead>
+    <tr>
+      <th>Name</th>
+      <th>Description</th>
+    </tr>
+  </thead>
+  <tbody>
+    <tr>
+      <td>ng-model</td>
+      <td>Search parameters as object that could be used as <i>params</i> with Angular's <i>$http</i> API.</td>
+    </tr>
+    <tr>
+      <td>parameters</td>
+      <td>List of available parameters to search for.</td>
+    </tr>
+    <tr>
+      <td>placeholder</td>
+      <td>specifies a short hint in the search box</td>
+    </tr>
+  </tbody>
+</table>