- make "vue2" available as ResourceLoader module in wb
- use global version of ("vue2-global") of "vue2" ResourceLoader module in Lexeme to prove sharing it works
- use "vue2" ResourceLoader module in bridge
- tease termbox people to consider migrating to use the "vue2" ResourceLoader module as well
That is
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Wikibase/+/522038/
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/WikibaseLexeme/+/522100
which were a result of the exploration in T227179