Removes a large number of image assets that are no longer used by the site. This reduces the size of the repository and the deployed site.
These images include various sizes of favicons, touch icons, cover images for old blog posts and weeknotes, and character images.
The `make-post.py` script is adjusted to correctly format the year in post paths.
Adds cover generation functionality for week notes, using a background image and specified font.
Updates dependencies to the latest versions, including flake8, certifi, click, identify, platformdirs, pygments, python-dotenv, requests, urllib3, and weeknotebot.
Implements cover image generation using PIL for newly created posts, photos and micro posts.
Removes micro-pub syndication from archetypes as it's not longer needed.
