合并数组内的对象的数字

### 标准用法git ``` const oa = require('object_array')github oa([{a:1,b:2,c:3},{a:4,b:5,d:6}])//{a:5,b:7,c:3,d:6}ui oa([{a:{a1:1,b1:2},b:2},{a:{a1:3,a2:4,a3:5}},c:{c:10}}])//{a:{a1:4,b1:2,a2:4,a3:5},b:2,c

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