fix($theme-default): bitbucket edit link goes to wrong link (#1277)

fago · ulivz · commit 947a70f524aa · 2019-02-11T22:41:45.000+08:00
This backports the fix from #1235 to 0.x
diff --git a/lib/default-theme/Page.vue b/lib/default-theme/Page.vue
@@ -147,6 +147,7 @@ export default {
           : repo
         return (
           base.replace(endingSlashRE, '') +
+            `/src` +
            `/${docsBranch}` +
            (docsDir ? '/' + docsDir.replace(endingSlashRE, '') : '') +
            path +
