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/listmonk.json

@@ -11,7 +11,7 @@
     "interface_port": 9000,
     "documentation": "https://listmonk.app/docs/",
     "website": "https://listmonk.app/",
-    "logo": "https://raw.githubusercontent.com/selfhst/icons/refs/heads/main/svg/listmonk.svg",
+    "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons/webp/listmonk.webp",
     "config_path": "/opt/listmonk/config.toml",
     "description": "High performance, self-hosted, newsletter and mailing list manager with a modern dashboard.",
     "install_methods": [
@@ -29,7 +29,7 @@
     ],
     "default_credentials": {
         "username": null,
-        "password":  null
+        "password": null
     },
     "notes": []
 }