Document ability to pass Element via ItemSeparatorComponent (facebook#3343)

Author: retyui

docs/flatlist.md

@@ -245,11 +245,11 @@ For simplicity, data is a plain array. If you want to use something else, like a
 
 ### `ItemSeparatorComponent`
 
-Rendered in between each item, but not at the top or bottom. By default, `highlighted` and `leadingItem` props are provided. `renderItem` provides `separators.highlight`/`unhighlight` which will update the `highlighted` prop, but you can also add custom props with `separators.updateProps`.
+Rendered in between each item, but not at the top or bottom. By default, `highlighted` and `leadingItem` props are provided. `renderItem` provides `separators.highlight`/`unhighlight` which will update the `highlighted` prop, but you can also add custom props with `separators.updateProps`. Can be a React Component (e.g. `SomeComponent`), or a React element (e.g. `<SomeComponent />`).
 
-| Type      |
-| --------- |
-| component |
+| Type                         |
+| ---------------------------- |
+| component, function, element |
 
 ---
 

docs/sectionlist.md

@@ -248,11 +248,11 @@ Reverses the direction of scroll. Uses scale transforms of -1.
 
 ### `ItemSeparatorComponent`
 
-Rendered in between each item, but not at the top or bottom. By default, `highlighted`, `section`, and `[leading/trailing][Item/Section]` props are provided. `renderItem` provides `separators.highlight`/`unhighlight` which will update the `highlighted` prop, but you can also add custom props with `separators.updateProps`.
+Rendered in between each item, but not at the top or bottom. By default, `highlighted`, `section`, and `[leading/trailing][Item/Section]` props are provided. `renderItem` provides `separators.highlight`/`unhighlight` which will update the `highlighted` prop, but you can also add custom props with `separators.updateProps`. Can be a React Component (e.g. `SomeComponent`), or a React element (e.g. `<SomeComponent />`).
 
-| Type               |
-| ------------------ |
-| component, element |
+| Type                         |
+| ---------------------------- |
+| component, function, element |
 
 ---
 

docs/virtualizedlist.md

@@ -149,11 +149,11 @@ Each cell is rendered using this element. Can be a React Component Class, or a r
 
 ### `ItemSeparatorComponent`
 
-Rendered in between each item, but not at the top or bottom. By default, `highlighted` and `leadingItem` props are provided. `renderItem` provides `separators.highlight`/`unhighlight` which will update the `highlighted` prop, but you can also add custom props with `separators.updateProps`.
+Rendered in between each item, but not at the top or bottom. By default, `highlighted` and `leadingItem` props are provided. `renderItem` provides `separators.highlight`/`unhighlight` which will update the `highlighted` prop, but you can also add custom props with `separators.updateProps`. Can be a React Component (e.g. `SomeComponent`), or a React element (e.g. `<SomeComponent />`).
 
-| Type                |
-| ------------------- |
-| component, function |
+| Type                         |
+| ---------------------------- |
+| component, function, element |
 
 ---
 

website/versioned_docs/version-0.70/flatlist.md

@@ -245,11 +245,11 @@ For simplicity, data is a plain array. If you want to use something else, like a
 
 ### `ItemSeparatorComponent`
 
-Rendered in between each item, but not at the top or bottom. By default, `highlighted` and `leadingItem` props are provided. `renderItem` provides `separators.highlight`/`unhighlight` which will update the `highlighted` prop, but you can also add custom props with `separators.updateProps`.
+Rendered in between each item, but not at the top or bottom. By default, `highlighted` and `leadingItem` props are provided. `renderItem` provides `separators.highlight`/`unhighlight` which will update the `highlighted` prop, but you can also add custom props with `separators.updateProps`. Can be a React Component (e.g. `SomeComponent`), or a React element (e.g. `<SomeComponent />`).
 
-| Type      |
-| --------- |
-| component |
+| Type                         |
+| ---------------------------- |
+| component, function, element |
 
 ---
 

website/versioned_docs/version-0.70/sectionlist.md

@@ -248,11 +248,11 @@ Reverses the direction of scroll. Uses scale transforms of -1.
 
 ### `ItemSeparatorComponent`
 
-Rendered in between each item, but not at the top or bottom. By default, `highlighted`, `section`, and `[leading/trailing][Item/Section]` props are provided. `renderItem` provides `separators.highlight`/`unhighlight` which will update the `highlighted` prop, but you can also add custom props with `separators.updateProps`.
+Rendered in between each item, but not at the top or bottom. By default, `highlighted`, `section`, and `[leading/trailing][Item/Section]` props are provided. `renderItem` provides `separators.highlight`/`unhighlight` which will update the `highlighted` prop, but you can also add custom props with `separators.updateProps`. Can be a React Component (e.g. `SomeComponent`), or a React element (e.g. `<SomeComponent />`).
 
-| Type               |
-| ------------------ |
-| component, element |
+| Type                         |
+| ---------------------------- |
+| component, function, element |
 
 ---
 

website/versioned_docs/version-0.70/virtualizedlist.md

@@ -149,11 +149,11 @@ Each cell is rendered using this element. Can be a React Component Class, or a r
 
 ### `ItemSeparatorComponent`
 
-Rendered in between each item, but not at the top or bottom. By default, `highlighted` and `leadingItem` props are provided. `renderItem` provides `separators.highlight`/`unhighlight` which will update the `highlighted` prop, but you can also add custom props with `separators.updateProps`.
+Rendered in between each item, but not at the top or bottom. By default, `highlighted` and `leadingItem` props are provided. `renderItem` provides `separators.highlight`/`unhighlight` which will update the `highlighted` prop, but you can also add custom props with `separators.updateProps`. Can be a React Component (e.g. `SomeComponent`), or a React element (e.g. `<SomeComponent />`).
 
-| Type                |
-| ------------------- |
-| component, function |
+| Type                         |
+| ---------------------------- |
+| component, function, element |
 
 ---