GorgeousHeader: Added searchBarStyle prop to style search container

Added a search bar style prop that can be used to override the default
styles associated with the search bar container. This is useful if you
want to add shadow or decrease the margin between the text and search bar.

Author: EricWiener

README.md

@@ -149,6 +149,7 @@ import { ClassicHeader } from "@freakycoder/react-native-header-view";
 | searchIcon          |  asset   |            default             | set your own icon for the search one                                    |
 | titleTextStyle      |  style   |            default             | set your own style for title text                                       |
 | subtitleTextStyle   |  style   |            default             | set your own style for subtitle text                                    |
+| searchBarStyle      |  style   |            default             | set your own style for search text input container                      |
 | searchInputStyle    |  style   |            default             | set your own style for search text input                                |
 | menuImageStyle      |  style   |            default             | set your own style for hamburger menu image                             |
 | menuImageSource     |  asset   |            default             | set your own image instead of default hamburger menu image              |

lib/src/components/GorgeousHeader/GorgeousHeader.js

@@ -46,6 +46,7 @@ class GorgeousHeader extends Component {
       subtitle,
       searchIcon,
       titleTextStyle,
+      searchBarStyle,
       searchInputStyle,
       subtitleTextStyle,
     } = this.props;
@@ -55,7 +56,7 @@ class GorgeousHeader extends Component {
         <Text style={subtitleTextStyle || styles.subtitleTextStyle}>
           {subtitle}
         </Text>
-        <View style={styles.searchBarStyle}>
+        <View style={[styles.searchBarStyle, searchBarStyle]}>
           <Image
             style={styles.searchImageStyle}
             source={searchIcon || searchImage}