Feat sort order modifier

[deep-diver]

• one more action button to choose sort mode
• SortMode class for saving sort preference
• consumer with SortMode for main list views(scaffold) in main.dart

Screen.Recording.2021-07-04.at.12.55.00.AM.mov

[codecov]

Codecov Report

Merging #160 (8d50277) into main (8e5f037) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #160   +/-   ##
=======================================
  Coverage   47.31%   47.31%           
=======================================
  Files           9        9           
  Lines         279      279           
=======================================
  Hits          132      132           
  Misses        131      131           
  Partials       16       16           

Flag	Coverage Δ
dbctl	40.22% <ø> (ø)
server	59.04% <ø> (ø)

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[kkweon]

수고하셨습니다

[github-actions]

🎉 This PR is included in version 1.34.0 🎉

The release is available on GitHub release

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