add document for cellEdit

Author: AllenFang

docs/README.md

@@ -2,6 +2,18 @@
 
 ## Props on BootstrapTable
 
+#### Required
+* [keyField (**required**)](#keyField)
+* [data (**required**)](#data)
+* [columns (**required**)](#columns)
+
+#### Optional
+* [striped](#striped)
+* [bordered](#bordered)
+* [hover](#hover)
+* [condensed](#condensed)
+* [cellEdit](#cellEdit)
+
 ### <a name='keyField'>keyField(**required**) - [String]</a>
 `keyField` is a prop to tell `react-bootstrap-table2` which column is unigue key.
 
@@ -18,4 +30,28 @@ Same as `.table-bordered` class for adding borders on all sides of the table and
 ### <a name='hover'>hover - [Bool]</a>
 Same as `.table-hover` class for adding a hover effect (grey background color) on table rows
 ### <a name='condensed'>condensed - [Bool]</a>
-Same as `.table-condensed` class for makeing a table more compact by cutting cell padding in half
+Same as `.table-condensed` class for makeing a table more compact by cutting cell padding in half
+
+### <a name='cellEdit'>cellEdit - [Bool]</a>
+Assign a valid `cellEdit` object can enable the cell editing on the cell.
+> Note: The `keyField` column can't be edited
+
+Following is a `cellEdit` object:
+```js
+{
+ mode: 'click',
+ blurToSave: true,
+ onEditing: (rowId, dataField, newValue) => { ... },
+ beforeSaveCell: (oldValue, newValue, row, column) => { ... },
+ afterSaveCell: (oldValue, newValue, row, column) => { ... },
+ nonEditableRows: () => { ... }
+}
+```
+#### <a name='cellEdit.mode'>cellEdit.mode - [String]</a>
+`cellEdit.mode` possible value is `click` and `dbclick`. It's required value that tell `react-bootstrap-table2` how to trigger the cell editing.
+
+#### <a name='cellEdit.blurToSave'>cellEdit.blurToSave - [Bool]</a>
+Default is `false`, enable it will be able to save the cell automatically when blur from the cell editor.
+
+#### <a name='cellEdit.nonEditableRows'>cellEdit.nonEditableRows - [Function]</a>
+`cellEdit.nonEditableRows` accept a callback function and expect return an array which used to restrict all the columns of some rows as non-editable. So the each item in return array should be rowkey(`keyField`)