Website: harmonize all Logos | use jsDelivr CDN links for icons from selfhst/icons repo (#4603)

* Update jsons

* push

* more

* Switch to CDN

* push new Icons into Branch

* Update dotnetaspwebapi.json

* add proxmox logo

* Update wger.json

* switch to webp

* Update apt-cacher-ng.json

* Update homarr.json

* finalize

* Update sqlserver2022.json

* fixes

* merge

---------

Co-authored-by: tremor021 <arezina.slavisa@gmail.com>
Co-authored-by: Michel Roegl-Brunner <73236783+michelroegl-brunner@users.noreply.github.com>

frontend/public/json/streamlink-webui.json

@@ -12,7 +12,7 @@
   "documentation": "https://github.com/CrazyWolf13/streamlink-webui",
   "config_path": "/opt/streamlink-webui.env",
   "website": "https://github.com/CrazyWolf13/streamlink-webui",
-  "logo": null,
+  "logo": "https://streamlink.github.io/_static/icon.svg",
   "description": "a simple web-ui to the well-known streamlink cli application, which allows you to save twitch streams to your local disk.",
   "install_methods": [
     {