Add Portuguese translation (light version) (#111)

* fix(es): syntax error that prevented compilation

* feat(pt): add main text translation

* feat(pt): add tweets translation

* feat(pt): add PDF generation to GitHub workflow

* fix(pt): add misisng translations and formatting fixes

* fix(css): link fragment overlap with page header

* fix(css): add font Inter before Gothic A1

The Gothic A1 font lacks a few characters necessary for writing Portuguese, namely: á, í, ó, ú, ã, õ, and their upper case versions.

* fix(pt): remove 'Glossário' entry from _menu.hbs

* fix(build): slugify.js

* fix(pt): various typos and a few missing translations.

* chore: add .vscode to .gitignore

.gitignore

@@ -1,3 +1,4 @@
+.vscode
 node_modules
 /dist
 /aws.json