Feat/update tab (#1865)

* implement updates tab for viewing all updates from all marketplaces in one place

* remove auto-check-updates

* feat: implement updates page (#1888)

* feat: implement updates page

* chore: comments

* better styling in update tab

* rework marketplace service (#1891)

* rework marketplace service

* remove unneeded ?

* fix: refactor marketplace to cache requests

Co-authored-by: waterplea <alexander@inkin.ru>

Co-authored-by: Alex Inkin <alexander@inkin.ru>

frontend/patchdb-ui-seed.json

@@ -1,6 +1,5 @@
 {
   "name": null,
-  "auto-check-updates": true,
   "ack-welcome": "0.3.2.1",
   "marketplace": {
     "selected-url": "https://registry.start9.com/",