Community hub integration (#2555)

* wip hub connection page fe + backend

* lint

* implement backend for local hub items + placeholder endpoints to fetch hub app data

* fix hebrew translations

* revamp community integration flow

* change sidebar

* Auto import if id in URL param
remove preview in card screen and instead go to import flow

* get user's items + team items from hub + ui improvements to hub settings

* lint

* fix merge conflict

* refresh hook for community items

* add fallback for user items

* Disable bundle items by default on all instances

* remove translations (will complete later)

* loading skeleton

* Make community hub endpoints admin only
show visibility on items
combine import/apply for items to they are event logged for review

* improve middleware and import flow

* community hub ui updates

* Adjust importing process

* community hub to dev

* Add webscraper preload into imported plugins

* add runtime property to plugins

* Fix button status on imported skill change
show alert on skill change
Update markdown type and theme on import of agent skill

* update documentaion paths

* remove unused import

* linting

* review loading state

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Co-authored-by: Timothy Carambat <rambat1010@gmail.com>