Add Jellyseerr fingerprints

[jvoisin]

Description

Add title and favicon fingerprints for Jellyseerr

Motivation and Context

https://github.com/Fallenbagel/jellyseerr is getting popular, let's add it

How Has This Been Tested?

On my LAN.

Checklist:

• [x] I have updated the documentation accordingly (or changes are not required).
• [x] I have added tests to cover my changes (or new tests are not required).
• [x] All new and existing tests passed.

[mkienow-r7]

@jvoisin Please see step 6 of Fork and Clone to ensure your git hooks are properly configured to run the standardize command on commit.