Fix link in documentation for datepicker add-on

Thanks to @akramabdulrahman for bringing it to my attention

Author: Anthropic

docs/index.md

@@ -554,17 +554,15 @@ Schema Form currently supports the following form field types out of the box:
 | tabarray      |  a tabbed version of array |
 
 More field types can be added, for instance a "datepicker" type can be added by
-including the [datepicker addon](https://github.com/json-schema-form/angular-schema-form-datepicker), see
-the [front page](http://schemaform.io/#/third-party-addons) for an updated
-list.
+including the [datepicker addon](https://github.com/Textalk/angular-schema-form-datepicker), see
+the [front page](http://schemaform.io/#/third-party-addons) for an updated list.
 
 
 Default form types
 ------------------
 Schema Form defaults to certain types of form fields depending on the schema for
 a property.
 
-
 | Schema             |   Form type  |
 |:-------------------|:------------:|
 | "type": "string"   |   text       |
@@ -577,7 +575,6 @@ a property.
 | "type": "array" | array |
 
 
-
 Form definitions
 ----------------
 If you don't supply a form definition, it will default to rendering the after the defaults taken