~bt/pblog

Remove all mention of archived Codeberg repo
Set static time for blog articles to avoid conflicts when updating in the future
Remove noun project illustration, change title for main index, include proper git repo link
Fix incorrect URL in config file, update author email, rebuild
Patch pblog shell commands and include simple sourcehut pages build
Set config to Linux system by default, add output directory to avoid errors
Initial port from GitHub to sourcehut