feat: add tag font size

Author: robertqin86

lib/react-native-multi-select.js

@@ -40,6 +40,7 @@ export default class MultiSelect extends Component {
     uniqueKey: PropTypes.string,
     tagBorderColor: PropTypes.string,
     tagTextColor: PropTypes.string,
+    tagFontSize: PropTypes.number,
     fontFamily: PropTypes.string,
     tagRemoveIconColor: PropTypes.string,
     onSelectedItemsChange: PropTypes.func.isRequired,
@@ -175,6 +176,7 @@ export default class MultiSelect extends Component {
       fontFamily,
       tagRemoveIconColor,
       tagBorderColor,
+      tagFontSize,
       uniqueKey,
       tagTextColor,
       selectedItems,
@@ -202,7 +204,7 @@ export default class MultiSelect extends Component {
               {
                 flex: 1,
                 color: tagTextColor,
-                fontSize: 15
+                fontSize: tagFontSize || 15
               },
               fontFamily ? { fontFamily } : {}
             ]}