[mod] client/simple: client plugins (#5406)

* [mod] client/simple: client plugins

Defines a new interface for client side *"plugins"* that coexist with server
side plugin system. Each plugin (e.g., `InfiniteScroll`) extends the base
`ts Plugin`. Client side plugins are independent and lazy‑loaded via `router.ts`
when their `load()` conditions are met. On each navigation request, all
applicable plugins are instanced.

Since these are client side plugins, we can only invoke them once DOM is fully
loaded. E.g. `Calculator` will not render a new `answer` block until fully
loaded and executed.

For some plugins, we might want to handle its availability in `settings.yml`
and toggle in UI, like we do for server side plugins. In that case, we extend
`py Plugin` instancing only the information and then checking client side if
[`settings.plugins`](https://github.com/inetol/searxng/blob/1ad832b1dc33f3f388da361ff2459b05dc86a164/client/simple/src/js/toolkit.ts#L134)
array has the plugin id.

* [mod] client/simple: rebuild static

1 files changed, 0 insertions, 1 deletions

diff --git a/searx/static/themes/simple/css/ol.min.css b/searx/static/themes/simple/css/ol.min.css
deleted file mode 100644
index 26b695b71..000000000
--- a/searx/static/themes/simple/css/ol.min.css
+++ /dev/null
@@ -1 +0,0 @@
-:root,:host{--ol-background-color:white;--ol-accent-background-color:#f5f5f5;--ol-subtle-background-color:#80808040;--ol-partial-background-color:#ffffffbf;--ol-foreground-color:#333;--ol-subtle-foreground-color:#666;--ol-brand-color:#0af}.ol-box{box-sizing:border-box;border:1.5px solid var(--ol-background-color);background-color:var(--ol-partial-background-color);border-radius:2px}.ol-mouse-position{position:absolute;top:8px;right:8px}.ol-scale-line{background:var(--ol-partial-background-color);border-radius:4px;padding:2px;position:absolute;bottom:8px;left:8px}.ol-scale-line-inner{border:1px solid var(--ol-subtle-foreground-color);color:var(--ol-foreground-color);text-align:center;will-change:contents,width;border-top:none;margin:1px;font-size:10px;transition:all .25s}.ol-scale-bar{position:absolute;bottom:8px;left:8px}.ol-scale-bar-inner{display:flex}.ol-scale-step-marker{background-color:var(--ol-foreground-color);float:right;z-index:10;width:1px;height:15px}.ol-scale-step-text{z-index:11;color:var(--ol-foreground-color);text-shadow:-1.5px 0 var(--ol-partial-background-color),0 1.5px var(--ol-partial-background-color),1.5px 0 var(--ol-partial-background-color),0 -1.5px var(--ol-partial-background-color);font-size:10px;position:absolute;bottom:-5px}.ol-scale-text{text-align:center;color:var(--ol-foreground-color);text-shadow:-1.5px 0 var(--ol-partial-background-color),0 1.5px var(--ol-partial-background-color),1.5px 0 var(--ol-partial-background-color),0 -1.5px var(--ol-partial-background-color);font-size:12px;position:absolute;bottom:25px}.ol-scale-singlebar{z-index:9;box-sizing:border-box;border:1px solid var(--ol-foreground-color);height:10px;position:relative}.ol-scale-singlebar-even{background-color:var(--ol-subtle-foreground-color)}.ol-scale-singlebar-odd{background-color:var(--ol-background-color)}.ol-unsupported{display:none}.ol-viewport,.ol-unselectable{-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}.ol-viewport canvas{all:unset;overflow:hidden}.ol-viewport{touch-action:pan-x pan-y}.ol-selectable{-webkit-touch-callout:default;-webkit-user-select:text;user-select:text}.ol-grabbing{cursor:-webkit-grabbing;cursor:-moz-grabbing;cursor:grabbing}.ol-grab{cursor:move;cursor:-webkit-grab;cursor:-moz-grab;cursor:grab}.ol-control{background-color:var(--ol-subtle-background-color);border-radius:4px;position:absolute}.ol-zoom{top:.5em;left:.5em}.ol-rotate{transition:opacity .25s linear,visibility linear;top:.5em;right:.5em}.ol-rotate.ol-hidden{opacity:0;visibility:hidden;transition:opacity .25s linear,visibility 0s linear .25s}.ol-zoom-extent{top:4.643em;left:.5em}.ol-full-screen{top:.5em;right:.5em}.ol-control button{color:var(--ol-subtle-foreground-color);font-weight:700;font-size:inherit;text-align:center;background-color:var(--ol-background-color);border:none;border-radius:2px;width:1.375em;height:1.375em;margin:1px;padding:0;line-height:.4em;text-decoration:none;display:block}.ol-control button::-moz-focus-inner{border:none;padding:0}.ol-zoom-extent button{line-height:1.4em}.ol-compass{will-change:transform;font-weight:400;display:block}.ol-touch .ol-control button{font-size:1.5em}.ol-touch .ol-zoom-extent{top:5.5em}.ol-control button:hover,.ol-control button:focus{outline:1px solid var(--ol-subtle-foreground-color);color:var(--ol-foreground-color);text-decoration:none}.ol-zoom .ol-zoom-in{border-radius:2px 2px 0 0}.ol-zoom .ol-zoom-out{border-radius:0 0 2px 2px}.ol-attribution{text-align:right;flex-flow:row-reverse;align-items:center;max-width:calc(100% - 1.3em);display:flex;bottom:.5em;right:.5em}.ol-attribution a{color:var(--ol-subtle-foreground-color);text-decoration:none}.ol-attribution ul{color:var(--ol-foreground-color);text-shadow:0 0 2px var(--ol-background-color);margin:0;padding:1px .5em;font-size:12px}.ol-attribution li{list-style:none;display:inline}.ol-attribution li:not(:last-child):after{content:" "}.ol-attribution img{max-height:2em;max-width:inherit;vertical-align:middle}.ol-attribution button{flex-shrink:0}.ol-attribution.ol-collapsed ul{display:none}.ol-attribution:not(.ol-collapsed){background:var(--ol-partial-background-color)}.ol-attribution.ol-uncollapsible{border-radius:4px 0 0;bottom:0;right:0}.ol-attribution.ol-uncollapsible img{max-height:1.6em;margin-top:-.2em}.ol-attribution.ol-uncollapsible button{display:none}.ol-zoomslider{height:200px;top:4.5em;left:.5em}.ol-zoomslider button{height:10px;position:relative}.ol-touch .ol-zoomslider{top:5.5em}.ol-overviewmap{bottom:.5em;left:.5em}.ol-overviewmap.ol-uncollapsible{border-radius:0 4px 0 0;bottom:0;left:0}.ol-overviewmap .ol-overviewmap-map,.ol-overviewmap button{display:block}.ol-overviewmap .ol-overviewmap-map{border:1px solid var(--ol-subtle-foreground-color);width:150px;height:150px}.ol-overviewmap:not(.ol-collapsed) button{position:absolute;bottom:0;left:0}.ol-overviewmap.ol-collapsed .ol-overviewmap-map,.ol-overviewmap.ol-uncollapsible button{display:none}.ol-overviewmap:not(.ol-collapsed){background:var(--ol-subtle-background-color)}.ol-overviewmap-box{border:1.5px dotted var(--ol-subtle-foreground-color)}.ol-overviewmap .ol-overviewmap-box:hover{cursor:move}.ol-overviewmap .ol-viewport:hover{cursor:pointer}