update(docs): add distance prop

Author: oumoussa98

docs/src/guide/api/props.md

@@ -8,6 +8,13 @@
   This property is used to specify the scrollable element, it can be any valid css selector
   If not set it defaults to the window
 
+## distance
+
+- **Type**: `Number`
+- **Default**: `100`
+- **Details**:
+  The `infinite` event will be fired if the scroll distance is less than this value.
+
 ## top
 
 - **Type**: `Boolean`
@@ -45,4 +52,4 @@
   - **Type**: `String`
   - **Default**: `Oops something went wrong!`
   - **Details**:
-    override text message display on complete
+    override text message display on complete