- Note that Miniflux does not render entry title with HTML tags as of now
- Omit XHTML div element because it should not be part of the content

Example: http://rss.slashdot.org/Slashdot/slashdotMain

First patch to avoid the app hanging when deleting large feeds

This change implements the systemd readiness notification, using
the sd_notify protocol.

See https://www.freedesktop.org/software/systemd/man/sd_notify.html.

Bumps [github.com/lib/pq](https://github.com/lib/pq) from 1.9.0 to 1.10.0.
- [Release notes](https://github.com/lib/pq/releases)
- [Commits](https://github.com/lib/pq/compare/v1.9.0...v1.10.0

)

Signed-off-by: dependabot[bot] <support@github.com>

- Remove feed_icons cache because it's causing more problems that it solve.
- Add basic offline mode when using the service worker.
- Starting in Chrome 93, offline mode is going to be a requirement to install the PWA.

https://developer.chrome.com/blog/improved-pwa-offline-detection/#enforcement-starting-chrome-93-august-2021

The change is visible after reinstalling the web app. 

It's not compatible with all browsers.

See https://developer.mozilla.org/en-US/docs/Web/Manifest/display

This feature works by scraping YouTube website.

To enable it, set the FETCH_YOUTUBE_WATCH_TIME environment variable to
1.

Resolves #972.

- Add new cli argument: -healthcheck
- Add HEALTHCHECK instruction to Dockerfile
- Update Docker Compose examples

Replace "go generate" with the new embed package.

Miniflux now requires at least Go 1.16 and io/util is deprecated.

https://golang.org/doc/go1.16#ioutil

https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Referrer-Policy