Add youtube as a social option (alshedivat#1007)

Adds support for repositories (alshedivat#760)

* Add support for github repo cards

* add support for dark theme

* Add support for custom theme

* repositories

* fix

* make it simpler

* spcaing

* responsive fix

* adds support for usernames

* make it modular

* fix

* show icons

* cache_seconds

* fix

* Revert "cache_seconds"

This reverts commit a9dd4d5.

* add last line

* fix

* github only

* fix

* Add instructions

* Add `README.md` instructions

* Add `nav_order`

Minor changes and fixes (alshedivat#726)

Add support for external blog posts (alshedivat#647)

* Add support for external blog posts

* Cosmetic fixes

Add TOC to distill blog posts (alshedivat#470)

Add best practices info to README

adds submenu in navigation bar. (fixes issue alshedivat#159) (alshedi…

…vat#334)

* adds submenu in navigation bar. (fixes issue alshedivat#159)

* Updated scss files to change hover animations on dropdown submenus, on both dark mode and light mode

Minor stylistic fixes.

Added BibTeX hidden block (alshedivat#293)

* Added BibTeX hidden block

* Minor adjustments

Co-authored-by: Maruan Al-Shedivat <[email protected]>

Set ruby version to 2.7 in the deploy workflow