luci-app-simple-adblock: convert to js

luci-app-simple-adblock: convert to js

Thanks @dibdot, @jow-!

Signed-off-by: Stan Grishin <[email protected]>
Update applications/luci-app-simple-adblock/htdocs/luci-static/resources/simple-adblock/status.js

Co-authored-by: Vasili Sviridov <[email protected]>
Signed-off-by: Stan Grishin <[email protected]>
Thanks @dibdot, @jow-, @vsviridov!

* this includes changes made during review

Co-authored-by: Vasili Sviridov <[email protected]>
Signed-off-by: Stan Grishin <[email protected]>
(cherry picked from commit 0b895b17940089f854221b340fafae83bcbb2a99)