Pull out gear into separate modules

common/script/content/gear/body.js

@@ -0,0 +1,11 @@
+import {body as baseBody} from './sets/base';
+
+import {body as specialBody} from './sets/special';
+
+let body = {
+  base: baseBody,
+  special: specialBody,
+};
+
+export default body;
+