Add cd step for each build task
Use pipx run to fix PEP-668 error
Fix PEP-668 build error attempt#3
Fix PEP-668 build error attempt#2
Fix PEP-668 build error attempt#1
Update bg and dark accent
Update changelog, split changelog into sub-pages
Add 2023 design changes
Read this commit and/or below for changelog
1. Use a single layout file to simplify overall style and structure
2. Unify post, page and tag specific style and structure
3. Remove unneeded layouts
4. Inject compressed styles into layout via style tag
5. Use specific styles for a template via its head block
6. Cleanup extraneous model properties
7. Update associated content as much as possible