Readme update

Author: Dipu Raj

README.md

@@ -1,2 +1,73 @@
 # SmartGrid for CodeIgniter with Bootstrap
-A simple PHP datagrid control for CodeIgniter framework with Bootstrap
+A simple PHP datagrid control for CodeIgniter framework with Bootstrap. 
+SmartGrid focus on data display than data manipulation. 
+We are starting with limited features to make the code very simple and robust, 
+yet we will be adding more feature on the go. The code is very simple and well documented, which make it easy for customization.
+
+Installation
+-----
+1. [Download](https://github.com/techlab/codeigniter-smartgrid/archive/master.zip) the source files
+2. Copy the folder and files `application/libraries/SmartGrid/` to `application/libraries/` folder of your CodeIgniter installation
+3. That's it! Start using with the examples below or at [application/controllers/Example_smartgrid.php](https://github.com/techlab/codeigniter-smartgrid/blob/master/application/controllers/Example_smartgrid.php)
+
+Example usage
+-----
+on your controller:
+```php
+// Load the SmartGrid Library
+$this->load->library('SmartGrid/Smartgrid');
+
+// MySQL Query to get data
+$sql = "SELECT * FROM employee"; 
+
+// Column settings
+$columns = array("employee_id"=>array("header"=>"Employee ID", "type"=>"label"),
+                "employee_name"=>array("header"=>"Name", "type"=>"label"),
+                "employee_designation"=>array("header"=>"Designation", "type"=>"label")
+        );        
+        
+// Set the grid 
+$this->smartgrid->set_grid($sql, $columns, $config);
+
+// Render the grid and assign to data array, so it can be print to on the view
+$data['grid_html'] = $this->smartgrid->render_grid();    
+
+// Load view
+$this->load->view('example_smartgrid', $data);
+```
+
+and then, on your view:
+```html
+<!-- For styling, refer the bootstrap from CDN or from your server. Ignore this if you alredy have included in main view -->
+
+<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
+```
+```php
+// Print the grid html
+echo $grid_html; 
+```
+Features
+-----
+  + Simple datagrid for data display
+  + Accepts both MySQL query and array data
+  + Automatic Pagination
+  + Uses Twitter Bootstrap for styling, so easy to style with any bootstrap template
+  + No extra css or js files to include
+  
+Limitations 
+----- 
+  - Add, Edit, Del, Themes, Export, Search and Sort are not supported
+  - Search, Sort, Themes, Export features are on pipeline
+  - Database support: MySQL only for now 
+  - Language support: English only for now
+
+Version
+-----
+**SmartGrid v0.6.1-beta**
+> Notice:- SmartGrid is still on beta version, usage on production eviorment is not recommented unless tested well. 
+> Please report issue at [github issues](https://github.com/techlab/codeigniter-smartgrid/issues/)
+
+
+License
+----
+[MIT License](https://github.com/techlab/codeigniter-smartgrid/blob/master/LICENSE)