Adds Templating for new config items

User can now set instance_info, instance_title, and logo.
Added commented out example of new config options

Included Logo path, for swapping out the logo, and an example of
how to add multiline paragraphs to the instance info.
feat: better error handling for problematic feed URLs
Switch to python-bookworm to fix pip install issue
Bump version to 1.2.0
Handle feed last update time better
Scrape with newspaper4k if entry content missing
Fix startup indexing bug, cache AVDL
/api/crawl endpoint; add cron container
Improve handling for broken URLs
Refactor load_config()