web/changelogs: add more historical changelogs

web/changelogs/2.0.md

@@ -0,0 +1,20 @@
+---
+title: "everything is new!"
+date: "Jun 28, 2022"
+---
+
+- added support for: bilibili.com, youtube, youtube music, reddit, vk;
+- remade the way downloads are handled;
+- added proper website branding;
+- added settings, donations, and changelog menu;
+- added manual theme picker;
+- added format picker for youtube;
+- added quality picker for youtube and vk downloads (bilibili and twitter later);
+- improved usability;
+- upgraded the download button to be adaptive depending on current status;
+- popups are now adaptive, too;
+- better scalability;
+- took out trash;
+- moved from commonjs to ems;
+- overall revamp of backend and frontend;
+- fixed various issues that were present in older version.