Stay logged in across multiple pages

[angelo-v]

As a user, who clips several pages a day, I want to stay logged in between clips, so that I can clip things faster without being distracted by re-authentication and permission settings

As a user who cares for privacy, I do not want to add all the pages I clip as a trusted app to my profile, so that others do not see, what I visited.

[angelo-v]

Following up on our insights from https://github.com/codecentric/web-clip/issues/9 we need to implement the following:

• [x] solid-client-authn-chrome-ext package within WebClip
• [x] send login message from ui to trigger login in background script
• [x] send loadProfile message from ui to trigger loadProfile in background script
• [x] send loadPageData message from ui to trigger page data load in background script
• [x] send loadBookmark message from ui to trigger loadBookmark in background script
• [x] send saveBookmark message from ui to trigger saveBookmark in background script
• [x] remove legacy hooks from content script
• [x] log out when changing provider url
• [x] log out when session expires
• [ ] add chrome extension as trusted app via options page (needed for NSS)
• [x] update relevant data / state when navigating on single page apps --> bug existed before, see https://github.com/codecentric/web-clip/issues/20

[angelo-v]

add chrome extension as trusted app via options page (needed for NSS)

will be extracted to a dedicated issue, for now I just added an explanation about manual steps to the options page