Remove https on feed root for now
Move slug function from Blog to Site
Copy all talk pdfs
Add Talks section to site
Add .dir-locals.el
Main: Add garage sale page
Navigation: Redundant $
Blog.Posts: Export blogPostCompiler temporarily
shell.nix: use <nixpkgs> again (building on 19.03)
Use newer monoidal-containers
Import site code from unified repo
Initial commit