Update test-tab.js

Visual Unity on Run Tab

Update remixd call ...

Modified url parse error message

Replaced `url not parseable` from without space gaps to `URL not parseable: `
More readable now

fix Listening on "compilation finished"

Add getProviderEndpoint API

Fix Editor API

Improve API

Add description about the research project on improving the usability in Remix

Add description about the research project on improving the usability in Remix

Fix Recorder

Add Custom networks when using Web3 Provider.

Update package.json

Update README.md

Various minor fixes