Dictionary Extension for Go Documents

* This is an extension to add translations to Go's documents. - Currently, only English => Japanese is supported. * When you hover your mouse cursor over a word that has a translation, the translation is displayed in tooltip style. * Supported resources: - go.dev - Go Language Specification (https://go.dev/ref/spec) - tip version of Go Language Specification (https://tip.golang.org/ref/spec) - Go Blog (https://go.dev/blog) - Go Wiki (https://github.com/golang/go/wiki) - Design Docs (https://go.googlesource.com/proposal/+/refs/heads/master/design) - gospec-previewer (https://gospec-previewer.vercel.app) * This extension keeps the translation data up to date. - The latest translation data will be fetched when you see supported resources described above. This plugin is using dictionary data provided by @DQNEO. https://github.com/DQNEO/gospec