- bugfix - Fix optional dynamic-property/function not recognized.

[kaizhu256]

Fixes #468 .

• bugfix - Fix optional dynamic-property/function not recognized.

This PR will allow jslint to recognize following optional-dynamic-property, and optional-function-call syntax:

let bar;
let foo;
// ...
foo = foo?.[bar];
foo = foo?.(bar);

This PR will additionally:

• ci - Update file jslint_ci.sh shell-function shHttpFileServer() to auto-serve /index.html, when url-path is root /.