MediaStack 26.0.0

First formal versioned MediaStack release.

This release incorporates community pull requests and maintainer follow-up corrections while preserving contributor attribution in commit history.

Included in 26.0.0:

• fixed incorrect image locations in compose files
• corrected headplane command references
• improved CrowdSec enrollment and related handling
• corrected restart.sh command references across documentation
• replaced Jellyseerr with Seerr
• deprecated Huntarr due to security concerns

Contributors included in 26.0.0:

• @benja11y
• @irongecko
• @senpapi69
• @Grand-Duc

Historical assistance acknowledged:

• @bokkoman