implement preference by pttbbs api

[PichuChen]

👏 解決掉的 issue / Resolved Issues

• close #218

📝 相關的 issue / Related Issues

• 148

• 150

• 62

⛏ 變更內容 / Details of Changes

• 因為 go-bbs 還沒確定相關的 Interface 如何實作，因此先判斷為 pttbbs 後直接透過 flag 來取得設定

[codecov-commenter]

Codecov Report

Merging #229 (ac5e003) into development (84585bf) will increase coverage by 2.48%. The diff coverage is 69.23%.

@@               Coverage Diff               @@
##           development     #229      +/-   ##
===============================================
+ Coverage        47.67%   50.16%   +2.48%     
===============================================
  Files               28       28              
  Lines             1422     1485      +63     
===============================================
+ Hits               678      745      +67     
+ Misses             647      640       -7     
- Partials            97      100       +3     

Impacted Files	Coverage Δ
internal/repository/user.go	47.61% <69.23%> (+45.34%)	:arrow_up:
internal/usecase/usecase.go	100.00% <0.00%> (ø)
internal/usecase/article.go	30.90% <0.00%> (+1.96%)	:arrow_up:
internal/delivery/http/route_append_comment.go	88.60% <0.00%> (+14.53%)	:arrow_up:

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[y2468101216]

LGTM