improvement: open svg in browser

lib/widgets/blob_view.dart

@@ -1,7 +1,6 @@
 import 'dart:convert';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter_highlight/theme_map.dart';
-import 'package:flutter_svg/flutter_svg.dart';
 import 'package:git_touch/models/code.dart';
 import 'package:git_touch/models/theme.dart';
 import 'package:git_touch/widgets/markdown_view.dart';
@@ -41,10 +40,6 @@ class BlobView extends StatelessWidget {
         return base64Text == null
             ? Image.network(networkUrl)
             : Image.memory(base64.decode(base64Text));
-      case 'svg':
-        return base64Text == null
-            ? SvgPicture.network(networkUrl)
-            : SvgPicture.memory(base64.decode(base64Text));
       case 'md':
       case 'markdown':
         return Padding(

lib/widgets/object_tree.dart

@@ -68,6 +68,7 @@ class ObjectTree extends StatelessWidget {
               'pdf', 'docx', 'doc', 'pptx', 'ppt', 'xlsx', 'xls',
               // Fonts
               'ttf', 'otf', 'eot', 'woff', 'woff2',
+              'svg',
             ].contains(item.name.ext)
                 ? item.downloadUrl
                 : item.url,