This PR adds back WebGL acceleration (enabled by default) for XTerm. It
also adds back link handling and adds a new option (disabled by default)
to open all links internally as a new web block.
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Co-authored-by: sawka <mike.sawka@gmail.com>
lots of changes. new wshrpc implementation. unify websocket, web,
blockcontroller, domain sockets, and terminal inputs to all use the new
rpc system.
lots of moving files around to deal with circular dependencies
use new wshrpc as a client in wsh cmd
move codeedit to directory. new useLongClick hook. show quick navigation for directoryview on longclick of folder icon. lots more generic
stuff for header
new fitaddon for xtermjs
more fixes for xtermjs scrollbars
