* feat: add tags property in Conversation model
* feat: add ConversationTag model
* feat: add the tags parameter to getConvosByPage
* feat: add API route to ConversationTag
* feat: add types of ConversationTag
* feat: add data access functions for conversation tags
* feat: add Bookmark table component
* feat: Add an action to bookmark
* feat: add Bookmark nav component
* fix: failed test
* refactor: made 'Saved' tag a constant
* feat: add new bookmark to current conversation
* chore: Add comment
* fix: delete tag from conversations when it's deleted
* fix: Update the query cache when the tag title is changed.
* chore: fix typo
* refactor: add description of rebuilding bookmarks
* chore: remove unused variables
* fix: position when adding a new bookmark
* refactor: add comment, rename a function
* refactor: add a unique constraint in ConversationTag
* chore: add localizations
