list of sponsors + fixes

- added list of sponsors, if you host an instance, it can be enabled with showSponsors.
- fixed download button thickness on ios.
- about button now opens about tab when no new changelog is available.

src/modules/changelog/changelogManager.js

@@ -1,5 +1,5 @@
 import { replaceBase } from "../../localization/manager.js";
-import loadJSON from "../sub/loadJSON.js";
+import { loadJSON } from "../sub/loadFromFs.js";
 
 let changelog = loadJSON('./src/modules/changelog/changelog.json')