cleanup and modernizing

* script converted to a lazy loaded web component
* ajax backend simplified and return json now
* main functionality moved into a helper component

Update ajax.php: Typo

use indexer class methods

keep consistency better with DokuWiki core, that will help further development of the SearchIndex Manager plugin.

remove unnecessary require_once

fix #46

psr-12 coding

Bugfix: incorrectly returning true when page name was missing

bugfix: ensure that page index update is forced when using Rebuild option

Start indexing once clear() function has returned

Avoid return ambiguous '1' on success
Respect colours from style.ini of template

Compete jQuery rewrite; also added option to Update or Rebuild the index

All JS rewritten to use jQuery
JS code now used revealing module pattern to reduce namespace repetition
Revised the instructi

Compete jQuery rewrite; also added option to Update or Rebuild the index

All JS rewritten to use jQuery
JS code now used revealing module pattern to reduce namespace repetition
Revised the instruction text and layout
New updating status message layout
2 options: Rebuild Index or Update Index only
Revised CSS

show more ...

Added metadata and new pattern based clearing from bin/indexer.php

Adjusted for recent changes in the indexer mechanism

make it actually work with a modern dokuwiki index

initial checkin of version 2005-09-04