feat: add gitlab icon

libs/icons/gitlab.svg

@@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" fill="#FFF" viewBox="0 0 24 24">
+  <path d="M23.95 13.59l-1.34-4.14-2.66-8.19a.45.45 0 0 0-.87 0l-2.66 8.19H7.58L4.92 1.26c-.14-.42-.74-.42-.87 0L1.39 9.45.04 13.59c-.12.37.02.79.34 1.02L12 23.05l11.63-8.44a.92.92 0 0 0 .33-1.02"/>
+</svg>

libs/index.md

@@ -40,10 +40,11 @@ Available query params:
 Available icons:
 
 ![](/badge/icon/travis?icon=travis)
-![](/badge/icon/appveyor?icon=appveyor)
 ![](/badge/icon/circleci?icon=circleci)
-![](/badge/icon/github?icon=github)
+![](/badge/icon/appveyor?icon=appveyor)
 ![](/badge/icon/docker?icon=docker)
+![](/badge/icon/github?icon=github)
+![](/badge/icon/gitlab?icon=gitlab)
 ![](/badge/icon/firefox?icon=firefox)
 ![](/badge/icon/chrome?icon=chrome)