👥 chore: configure all-contributors

Signed-off-by: Haili Zhang <haili.zhang@outlook.com>

Author: webup

.all-contributorsrc

@@ -0,0 +1,12 @@
+{
+  "files": [
+    "readme.md"
+  ],
+  "imageSize": 100,
+  "contributorsPerLine": 7,
+  "contributorsSortAlphabetically": false,
+  "badgeTemplate": "[![All Contributors](https://img.shields.io/badge/all_contributors-<%= contributors.length %>-orange.svg?style=flat-square)](#contributors)",
+  "contributorTemplate": "<a href=\"<%= contributor.profile %>\"><img src=\"<%= contributor.avatar_url %>\" width=\"<%= options.imageSize %>px;\" alt=\"\"/><br /><sub><b><%= contributor.name %></b></sub></a>",
+  "types": {},
+  "skipCi": "true"
+}