[ASSET-41] Update Polygon network image

[jormal]

Pull Request

Description

Polygon network image를 갱신합니다.

Related issue: ASSET-41

Changes

• faf6c1b: Polygon reference들의 link key를 갱신합니다.
• 062d145: Polygon network image를 갱신합니다.

Types of Changes (multiple options can be selected)

• Create asset information
• Update asset information
• Delete asset information
• Other {{Please add description here}}

Checklist

• Did you pass the tests? (Did you execute pytest -l in your PC and get a green light?)
• Did you run the pre-process?
• Have you added and run tests to validate the changes?
• Have you updated the documentation?
• Have you updated the version in {PWD}/VERSION if you need?

[yjkellyjoo]

ㅎ..화질이.. 128, 256 png 많이 깨지는 거 같은데 괜찮은건가요..?ㅎ

[jormal]

ㅎ..화질이.. 128, 256 png 많이 깨지는 거 같은데 괜찮은건가요..?ㅎ

음... 그러네요..

[jormal]

@yjkellyjoo 화질 개선했으니 재리뷰 요청드립니다.