feat: add Dump option for easy debugging

[wenchy]

• close Dump: print HTTP request debug info #25

Dump:

Request(dump): 
        POST /?param1=value1&param2=value2 HTTP/1.1
        Host: 127.0.0.1:64197
        User-Agent: Go-http-client/1.1
        Content-Length: 23
        Content-Type: application/json
        Header1: value1
        Header2: value2
        Accept-Encoding: gzip

        {"ID":1,"Name":"Hello"}

Response(dump): 
        HTTP/1.1 200 OK
        Content-Length: 28
        Content-Type: text/plain; charset=utf-8
        Date: Fri, 25 Aug 2023 02:33:53 GMT

        {"ID":1,"Name":"echo Hello"}

[codecov]

Codecov Report

Patch coverage: 64.70% and project coverage change: +0.03% 🎉

Comparison is base (c6b1607) 59.07% compared to head (3701367) 59.11%.

❗ Current head 3701367 differs from pull request most recent head 5345498. Consider uploading reports for the commit 5345498 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #26      +/-   ##
==========================================
+ Coverage   59.07%   59.11%   +0.03%     
==========================================
  Files           4        4              
  Lines         347      362      +15     
==========================================
+ Hits          205      214       +9     
- Misses        120      124       +4     
- Partials       22       24       +2     

Files Changed	Coverage Δ
request.go	46.85% <50.00%> (-0.42%)	⬇️
options.go	72.26% <100.00%> (+1.21%)	⬆️

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[Kybxd]

LGTM