✨ feat: Add entity about city, state, village area

[seonghun-dev]

Resolve : #26

[codecov-commenter]

Codecov Report

Merging #27 (552e51b) into main (f50a9ac) will increase coverage by 5.90%.
The diff coverage is 21.42%.

Additional details and impacted files

@@            Coverage Diff             @@
##              main     #27      +/-   ##
==========================================
+ Coverage     3.50%   9.41%   +5.90%     
- Complexity       2       6       +4     
==========================================
  Files           11      16       +5     
  Lines           57      85      +28     
==========================================
+ Hits             2       8       +6     
- Misses          55      77      +22     

Impacted Files	Coverage Δ
.../streetdrop/domains/area/city/entity/CityArea.java	0.00% <0.00%> (ø)
...treetdrop/domains/area/state/entity/StateArea.java	0.00% <0.00%> (ø)
...tdrop/domains/area/village/entity/VillageArea.java	0.00% <0.00%> (ø)
...depromeet/streetdrop/domains/item/entity/Item.java	0.00% <ø> (ø)
...drop/domains/itemLocation/entity/ItemLocation.java	0.00% <0.00%> (ø)
...area/village/controller/VillageItemController.java	100.00% <100.00%> (ø)
...mains/area/village/service/VillageItemService.java	100.00% <100.00%> (ø)

[yunyoung1819]

LGTM