Ben Beauchamp

Adding back the GPLv3 LICENSE file deleted in [39c7d93](https://github.com/mgth/LittleBigMouse/commit/39c7d936c429162116d58bb3684dd2c21b4c3af0), originally added by pr #145. Closes #310.

The LICENSE file added in pr #145 was removed in commit [39c7d93](https://github.com/mgth/LittleBigMouse/commit/39c7d936c429162116d58bb3684dd2c21b4c3af0), meaning issue #141 is no longer fixed. I'll try my best to get a PR open to add...

feat(blacklist): Automatically add media with blacklisted tags to the blacklist

12

#### Description This pull request introduces blacktags, which automatically blacklist media based on their tags (keywords). Blacktags are configured on the settings page and processed with the Process Blacktags job,...