fix: fix trigger type def (#210)

* fix: fix trigger type def

* fix: fix children type

Author: Wendell

README.md

@@ -86,7 +86,7 @@ Online examples: <https://react-component.github.io/tooltip/examples/>
         </tr>
         <tr>
           <td>trigger</td>
-          <td>string[]</td>
+          <td>string | string[]</td>
           <td>['hover']</td>
           <td>which actions cause tooltip shown. enum of 'hover','click','focus'</td>
         </tr>

src/Tooltip.tsx

@@ -5,7 +5,7 @@ import { placements } from './placements';
 import Content from './Content';
 
 export interface TooltipProps extends Pick<TriggerProps, 'onPopupAlign' | 'builtinPlacements'> {
-  trigger?: ActionType;
+  trigger?: ActionType | ActionType[];
   defaultVisible?: boolean;
   visible?: boolean;
   placement?: string;
@@ -22,9 +22,9 @@ export interface TooltipProps extends Pick<TriggerProps, 'onPopupAlign' | 'built
   getTooltipContainer?: (node: HTMLElement) => HTMLElement;
   destroyTooltipOnHide?: boolean;
   align?: AlignType;
-  arrowContent?: React.ReactElement;
+  arrowContent?: React.ReactNode;
   id?: string;
-  children?: React.ReactElement;
+  children?: React.ReactNode;
   popupVisible?: boolean;
 }