slice.Reverse, slice.Add, arrayList.Add 修改

[dxyinme]

1. 增加slice.Reverse对any类型的支持
2. arrayList的add方法直接使用slice.Add
3. 让slice.Add可以支持往末尾添加元素

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (4628cd1) 95.88% compared to head (319745e) 95.96%.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #242      +/-   ##
==========================================
+ Coverage   95.88%   95.96%   +0.08%     
==========================================
  Files          66       66              
  Lines        3424     3419       -5     
==========================================
- Hits         3283     3281       -2     
+ Misses        108      106       -2     
+ Partials       33       32       -1     

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[flycash]

没有什么问题，我觉得保持 append 语义才是我想要的。