Card Image for Yu-Gi-Oh! Card Wiki

Show card images on Yu-Gi-Oh! Card Wiki (http://yugioh-wiki.net/).

# Description
When you visit card pages on Yu-Gi-Oh! Card Wiki (http://yugioh-wiki.net/), search Yu-Gi-Oh! Wikia! (http://yugioh.wikia.com/wiki/Yu-Gi-Oh!_Wikia) for card images, and show them if found.
When searching, TCG card images may be prior to OCG ones.

# Changelog
## v0.3.0 - 2019-07-10
- Fix Cross-Origin Read Blocking (CORB) error

## v0.2.2 - 2018-08-21
- Publish as Firefox extension

## v0.2.1 - 2018-08-14
- Partially fix Japanse card name serch

## v0.2.0 - 2018-08-14
- Fix Japanese card name search
- Add icons