[Task] 날씨 API 호출

### ISSUE
* Group: `client`
* Type: `feature`
* Detail: 날씨 API(외부) 호출하여 사용, 현재 및 오늘 날씨 및 미세먼지 현황 알림 등
### TODO
* [ ] 3rd-party API 호출 (weather API)
### Estimated time
> 1h

### Labels
* Estimated time: `E: 1h`
* Group : `client`
* Sprint: `Sprint 01`
* Urgency: `Low`

No file, entry point, or test is named. Start by locating the client-side code that handles external API requests and determine the expected weather and fine-dust notification behavior; the issue is done only when the required current and daily data are retrieved and presented as specified.

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