improvement: add avatar link to commits screen

lib/screens/bb_commits.dart

@@ -37,6 +37,7 @@ class BbCommitsScreen extends StatelessWidget {
         return CommitItem(
           url: '${auth.activeAccount.domain}/$owner/$name/commits/${v.hash}',
           avatarUrl: v.author.user?.avatarUrl,
+          avatarLink: null,
           author: v.author.raw.replaceFirst(RegExp(r' <.*>'), ''),
           createdAt: v.date,
           message: v.message,

lib/screens/gh_commits.dart

@@ -51,11 +51,13 @@ class GhCommitsScreen extends StatelessWidget {
       onRefresh: () => _query(context),
       onLoadMore: (cursor) => _query(context, cursor),
       itemBuilder: (payload) {
+        final login = payload.author?.user?.login;
         return CommitItem(
           url: payload.url,
           avatarUrl: payload.author?.avatarUrl,
+          avatarLink: login == null ? null : '/$login',
           message: payload.messageHeadline,
-          author: payload.author?.user?.login ?? payload.author.name,
+          author: login ?? payload.author.name,
           createdAt: payload.committedDate,
           widgets: payload.status == null
               ? null

lib/screens/gl_commits.dart

@@ -34,9 +34,11 @@ class GlCommitsScreen extends StatelessWidget {
         return CommitItem(
           author: c.authorName,
           avatarUrl: null,
+          avatarLink: null,
           createdAt: c.createdAt,
           message: c.message,
           url: '$prefix/commit/${c.id}', // TODO:
+          // url: '/gitlab/projects/$id/commit/${c.id}', // TODO:
         );
       },
     );

lib/screens/gt_commits.dart

@@ -34,6 +34,7 @@ class GtCommitsScreen extends StatelessWidget {
         return CommitItem(
           author: c.author?.login ?? c.commit.author.name,
           avatarUrl: null,
+          avatarLink: null,
           createdAt: c.commit.author.date,
           message: c.commit.message,
           url: c.htmlUrl,

lib/widgets/commit_item.dart

@@ -9,6 +9,7 @@ import 'package:timeago/timeago.dart' as timeago;
 class CommitItem extends StatelessWidget {
   final String url;
   final String avatarUrl;
+  final String avatarLink;
   final String message;
   final String author;
   final DateTime createdAt;
@@ -16,6 +17,7 @@ class CommitItem extends StatelessWidget {
   CommitItem({
     @required this.url,
     @required this.avatarUrl,
+    @required this.avatarLink,
     @required this.message,
     @required this.author,
     @required this.createdAt,
@@ -31,7 +33,7 @@ class CommitItem extends StatelessWidget {
         child: Row(
           crossAxisAlignment: CrossAxisAlignment.start,
           children: <Widget>[
-            Avatar(url: avatarUrl),
+            Avatar(url: avatarUrl, linkUrl: avatarLink),
             SizedBox(width: 10),
             Expanded(
               child: Column(