WaniKani JJ External Definition

Fix Kanji and vocabulary definition not showing on Info and Extra Study pages
Now tried with Review, Lesson, and Extra Study pages.
Dictionary results are moved to the top
Weblio
- 々 is converted to real character repeats.
- Weblio now includes up to 3 results.
- Each Weblio result is trimmed to 1000 HTML characters.
- Weblio's results of non-WaniKani readings, and Kanji, are deprioritized. Suffixes and する verbs are also prioritized. (Moved down, or possibly trimmed.)
Kanjipedia
- If a Kanji isn't found in Kanjipedia, don't throw errors (e.g. 々)
- If a Kanji isn't found in Kanjipedia, second searching at Weblio.
- Add basic 異体字 support from Kanjipedia.
- For example, 寿 (Kanjipedia), 情 (Kanjipedia)
- Some obvious ones don't have forms enlisted, e.g. 噌 (Kanjipedia)
- Kanji readings with Okurigana are styled, rather than dotted, so that they can be picked up by Yomichan.
Backing up search results in browser (IndexedDB) for offline. (Online scraping only for new entries, and previously not found.)